Find the distance between the points (–9,7) and (–4,1).

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?