Connor can travel 2 3/4 miles in 2 1/2 hours. What is his average speed in miles per hour?

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

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.