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Questions in Grade Middle-school

[Answered] In mathematics, you might encounter concepts such as the distributive property. When you see an expression like [tex]10(4z-5)8(4-9z)[/tex], what would you distribute first? (Note: The numbers 8 and 10 are exponents.)

[Answered] There are 2.54 centimeters in 1 inch. How many centimeters are there in: a) 1 foot? b) 1 yard? Explain your reasoning.

[Answered] The ratio of boys to girls in a class is 5 to 6. What is an equivalent ratio?

[Answered] Use a ratio to compare the values. Simplify the ratio. 12 yd to 20 ft A. 5 : 9 B. 3 : 5 C. 5 : 3 D. 9 : 5

[Answered] 8b with explanation please

[Answered] A grocery store sells three different quantities of sugar: - A 1-pound bag costs $1.10. - A 2-pound bag costs $1.98. - A 3-pound bag costs $2.85. Describe how the unit cost changes as the quantity of sugar increases.

[Answered] What number is 75% of [tex]8y[/tex]? Use a proportion to answer the question in terms of [tex]y[/tex].

[Answered] A bag of sugar has a mass of 2 kg. Write an expression in terms of [tex]n[/tex] for the total mass in kilograms of [tex]n[/tex] bags of sugar.

[Answered] 22% of what number is 24.2?

[Answered] What is the main problem and solution in "Sisters" by Raina Telgemeier?