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A spacecraft is powered by electricity generated by the heat produced when 23894Pu decays with a half-life of 87.75 y. Engineers predict that the spacecraft will have insufficient power to operate its instruments when the amount of 238 94Pu in its power generators drops below 67 % of the amount it had at launch on September 1, 1977Required:In what year will its instruments cease to function? PLEASE HELP, ILL GIVE BRAIBLIEST! What two things combine with oxygen to form ground-level ozone?A) NOx and ODSB) CFCs and halonsC) NOx and VOCD) HFCs and HCFCs A, B & C lie on a straight line. D, C & E lie on a different straight line.Angle y = 96 and angle z = 52.Work out x A few Critical Thinking questions/creativity on the topic 'Particles of matter are very small' What is the quotient? Select the correct answer.Which equation is equivalent to the formula below?y = a (x -h )2 + k Help me !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! The perimeter of this shape is 120 mmWhat is the radius of the smaller semicircles? According to the graphs, what percentage of the money spent on the war was paid by France? A fruit salad recipe calls for 10 cups of berries and 6 cups of peaches. What is the ratio of peaches to berries, in simplest form?6:1010:63:55:3 If you place a 32-foot ladder against the top of a building and the bottom of the ladder is 24 feet from the bottom of the building, how tall is the building? Round to the nearest tenth of a foot. Determine if the sequence below is arithmetic or geometric and determine the common difference / ratio in simplest form. 20 10. 5 Read the following and then answer the following question.Mara, Juana y Laura son amigas. Mara aprende ingls en su clase. Ella est aburrida y quiere jugar.Juana est muy feliz. Ella es muy alta y bonita.Laura es la ms pequea.Who is the smallest girl?LauraJuanaLuisaMara Read this excerpt from The Jungle Book by Rudyard Kipling.Mowgli sprang to his feet. "Free People," he cried, "does Shere Khan lead the Pack? What has a tiger to do with our leadership?""Seeing that the leadership is yet open, and being asked to speak " Shere Khan began."By whom?" said Mowgli. "Are we all jackals, to fawn on this cattle butcher? The leadership of the Pack is with the Pack alone."Which line from "If" shares a similar theme?If you can dream and not make dreams your master;If you can talk with crowds and keep your virtue,If you can make one heap of all your winningsIf you can think and not make thoughts your aim; What seasonal changes in plants can be seen during the fall in Florida? Plants lose their leaves and stop growing. Plants produce less food and seeds. Plants produce more food and seeds. Plants undergo little change. what is the ratio of 150 and 175 A company's desire to sell products and services: A. will ultimately lead to its doom. B. explains why the web took off C. can drive innovations in media. D. is not reflected in social media. Question 8Over the last 2.5 years, the water level in a lake has changed by -0.3 feet per year. Scientists predict that thewater level will continue to go down for the next 5 years at a rate of 0.4 feet per year. What rational numberrepresents the overall change of the water level after 7.5 years?-2.75 feetB0.1 foot..ll Ezekiel Porter-0.7 footD2.75 feet2021 Illuminate Education Inc. How would you find the area of this parallelogram? Describe your strategy.