Tina buys 3 7/8 yards of material at the fabric store. she uses it to make a skirt. afterward, she has 1 3/8 yards of the fabric leftover. how many yards of material did tina use?

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

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.

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?