Middle School Questions

Math problem solving 9-3 A new car costs$13,000and is depreciating by $900each year.how much will the car be worth after 4 years?
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How important is it to have a powerful army and navy? Explain in detail
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What is the principle called of the conservation of matter?
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The perimeter of the top of a desk is 54 inches. If the length of the desk is 15 inches, what is the width of the desk?
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What is the meaning of zero in "3 miles below sea level" (we are doing integers)
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Guest at a pizza party are seated at three tables. The small table has 5 seats and 2 pizzas. The medium table has 7 seats and 3 pizza. The large table has 12 seats and 5 pizza. The pizza at each table are shared equally. At which table does a guest get the most pizza?
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Which is bigger 5/8 or 7/12
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How do you know the wave is a mechanical wave?
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A8 x 3B = 2730What number is A and B?      You don't have to explainPlease answer soon
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What are all of the powers of 3 between 3 and 1,000?
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-5g+2.3= -18.8 im in seventh grade and can't figure out this equation... ughhh
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Why did the air with ice with ice move down?
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What is y+16=31 and show the work
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Similes in divergent with page numbers?
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How do you solve for t this equation? 1/3t=7
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In a sixth-grade class, the ratio of boys to girls is 3:2. How many boys and how many girls could there be in this class? Is there more than one possible answer? Explain.How do you solve?
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Scientific notation of 0.000105
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Which two oceans can you see on the globe above
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