A diver is 18 feet below sea level. After he swims up 11 feet towards the surface, what is his elevation, written as an integer?

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase

With number 11 ( show how you got the answer)

Which set of side lengths form a right side? a) 3ft,6ft,5ft b)50 in,48in,14in c)53m,48m,24m d)8cm,17cm,14cm