5) use the rules of exponents to evaluate or simplify. write without negative exponents. y^-5 / y^-2 =

Is the open sentence 5x-2=3x+2 true when x=2? justify your answer.

If 1/2+2/5s=s-3/4,what is the value of s? a. s=3/4 b. s=25/12 c. s=-25/12 d. s=-3/4

Avegetable garden and a surrounding path are shaped like a square together are 12 ft wide. the path is 1 feet wide. if one bag of gravel covers 8 square feet, how manu bags are needed to cover the path? round your answers to the nearest tenth.