Which of these is outside of the solar system? sun Saturn galaxy moon

What is the discriminant of 9x^2+2=10x^2 how much money must be deposited now in an account paying 7% annual interest compounded yearly to have a balance of $1000 after 6 years How is a cliffhanger used? A. To show the reader the private, internal thoughts and feelings of B. To provide background information about the characters that is C. To give readers a series of clues about events that will happen later D. To end a section of a story on a moment of high tension that the characters relevant to the story on in the story leaves the reader in suspense Chalcopyrite, the principal ore of copper (Cu), contains 34.63 percent Cu by mass. How many atoms of Cu can be obtained from 5.11 x 103 kg of ore? A)1.68 x 1028 Cu atoms B)1.68 x 1025 Cu atoms C)6.77 x 1031 Cu atoms D)6.77 x 1034 Cu atoms I will mark brainlest The figure shows two triangles on the coordinate grid: What set of transformations is performed on triangle ABC to form triangle ABC Use 12 x 5 = 60 and 12 x 2 = 24 to help you multiply 12 x 7. How much of earth's land surface is desert? Write your answer as both fraction and a percentage the sum of foir consecutive even integers is -28 If a loan is risky and extends for more than a year, the lender may ask forQuestion 15 options:collateral.a signature.an escrow account.additional payments. The points (-2, -1), (5, -4), and (-2, -4) are vertices of a polygon. What is the best name for the polygon?obtuse triangleisosceles triangleright triangleacute triangle What value is equivalent to 23 34? The Roman Catholic position on abortion incorporates a. A prohibition against indirect killing of the unborn b. The doctrine of double effect c. The doctrine of practical utility d. An endorsement of therapeutic abortion emilio writes the inequality 17(f+2) + 45.99 What is the strongest force on Earth?P.S. It is not LOVE I need help with 25-46 Can someone please help me with any of them or all? 50 POINTS a 24-ft. hallway is just 8in on the blueprint. what is the scale? The marginal benefit of a slice of pizza is the: question 5 options: total amount that a consumer is willing to pay for a whole pizza, divided by the number of slices difference between the value of the slice to the consumer and the price of the slice. maximum amount that a consumer is willing to pay for the slice. price of the slice of pizza save solve the inequality -5x Question 13 (Mandatory) (3 points) Ions are atoms of the same element that have a different number of _____________.Question 13 options:nucleielectronsneutronsprotonsnucleonsQuestion 14 (Mandatory) (3 points) Radium-226 is unstable. What is the process that allows the nucleus of radium-226 to become more stable?Question 14 options:hydrogen bondingradioactive decaynuclear fusionionic bondingcovalent bondingQuestion 15 (Mandatory) (3 points) What parts of an atom can change during a nuclear reaction that cannot change during a chemical reaction?Question 15 options:The number of electrons onlyThe number of protons and electronsThe number of neutrons and electronsThe number of protons and neutronsQuestion 16 (Mandatory) (3 points) Traditional explosives use the energy released by chemical reactions. Nuclear weapons use the energy released by nuclear reactions. Why are nuclear weapons much more destructive than traditional explosives?Question 16 options:Chemical reactions always release more energy than they useNuclear reactions can release much more energy than chemical reactionsChemical reactions always use more energy than they releaseNuclear weapons always contain more chemicals than traditional explosiveChemical reactions can release much more energy than nuclear reactionsQuestion 17 (Mandatory) (3 points) The nucleus of some isotopes will spontaneously undergo nuclear decay. These isotopes are said to be radioactive. what causes the nucleus of an isotope to be radioactive?Question 17 options:exposure to toxic chemicalsthe net charge of the atomthe attraction of protons to electronsan unstable ratio of protons and neutronstoo many electrons in its orbitalsQuestion 18 (Mandatory) (3 points) If a substance can be separated by physical means and it is not the same throughout, what is it?Question 18 options:a pure substancea compounda heterogeneous mixturean elementa homogeneous solutionQuestion 19 (Mandatory) (3 points) If a substance cannot be separated by physical means or chemical means, it is ___________.Question 19 options:a mixturea solutionheterogeneousa compoundan elementQuestion 20 (Mandatory) (3 points) Water vapor turning to frost is an example of ______________ .Question 20 options:depositionvaporizationsublimationevaporationfreezingQuestion 21 (Mandatory) (3 points) What does the atomic number of an element represent?Question 21 options:the mass of an atomthe number of protons in an atomthe number of neutrons in an atomthe total number of protons, neutrons, and electrons in an atomthe order in which the element was discoveredQuestion 22 (Mandatory) (3 points) Which of the following is a common property of Noble Gases?Question 22 options:seeks to donate one to three electronshave a full outer shell of electronsare highly reactiveeasily form chemical compoundsare good conductors of electricityQuestion 23 (Mandatory) (3 points) Which type of element seeks to gain electrons?Question 23 options:Non-MetalsNoble GasesMetalsIsotopesMetalloidsQuestion 24 (Mandatory) (3 points) If a material is ductile, it is most likely a ____________ .Question 24 options:Non-MetalNoble GasIonMetalloidMetalQuestion 25 (Mandatory) (3 points) What determines the properties of elements?Question 25 options:the average atomic massthe number of electron shellsthe number of neutronsthe number of electrons that fill the outer shellthe total number of electronsQuestion 26 (Mandatory) (3 points) What is happening to the temperature of the substance BEFORE AND AFTER the phase changes?Question 26 options:Temperature increases before and after the phase changes.Temperature increases before the phase change and decreases after the phase change.Temperature stays the same before and after the phase changes.Temperature decreases before and after the phase changes.Temperature decreases before the phase change and increases after the phase change. 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