A rectangle is covered in white tiles. If I were to replace 3⁄4 using blue tiles, how many blue tiles would I use?

A80-foot piece of siding is cut into three pieces so that the second piece is four times four times as long as the first piece and the third piece is five times as long as the first piece. if x represents the length of the first piece, find the lengths of all three pieces.

Find the arc length of the semicircle. 7the grade

Tim earns $120 plus $30 for each lawn he mows. write an iniqualityvto represent how many lawns he needs to mow to make more than $310