Last month you swim the 50m freestyle in 28.38 seconds. today you swim it in 27.33 seconds what is your percent of change round to the nearest tenth of a percent if necessary

What is the value of x? enter your answer in the box. (cm)

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?