Let u = < -5, -3> , v = < -6, -1> . find -3u + 5v

Maria walks a round trip of 0.75 mile to school every day. how many miles will she walk in 4.5 days

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?

Find the axis of symmerty for x y=x squared -4x-8