Simplify 8(x+3)^2/2(x+3)

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?

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?