Three more than the quotient of a number and 9 is equal to 5

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

5(-9w) put expression in distributive property

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')