Sal knows the volume of a cylinder is 500 cubic units. He wants to create a cylinder with twice the volume. Which variation of the original cylinder will have a volume of exactly 1,000 cubic units? Use the same radius but double the height.
Use the same height but double the radius.
Double the radius and double the height.
Use the same height but quadruple the radius.

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).