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Questions in Grade Middle-school

[Open]The rise and span for a roof are shown. The pitch of a roof is the ratio of the rise to the half-span. If the rise is 8 feet and the span is 30 feet, what is the pitch in simplest form?

[Open]What is the difference between gymnosperms and angiosperms?

[Open]Identify the process by which rocks change over millions of years.

[Open]What are three equivalent ratios for 5:3?

[Open]What do you call a field where animals live?

[Open]A decimal number changed to 23.7 after it was rounded. Give a decimal number that is less than 23.7 and another that is greater than 23.7 that each round to 23.7. Explain to what place each number was rounded.

[Open]Which describes the number sentence 8 + 0 = 8? A. Odd + odd = odd B. Identity property of addition C. Even + even = even D. Commutative property of addition

[Open]What is the weight of a 980 kg object on Earth?

[Open]How much is [tex]\frac{1}{17}[/tex] worth in percent?

[Open]Peter decided that the total cost for a $24.55 pair of jeans and a $12.25 shirt was $26.80. Was Peter's answer reasonable? Explain why or why not.