Sarah wants to buy a mule that normally costs $450. It is currently on sale for $387. What is the percentage discount?

answer quick :,)

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

Carmen begins her next painting on a rectangular canvas that is 82.7 cm long and has a area of 8,137.68 cm2. will the painting fit in a frame with an opening that is 82.7 cm long and 95 cm wide? explain

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?