Me with this. a diver went 25.65 feet below the surface of the ocean, and then 16.5 feet further down, he then rose 12.45 feet. write and solve an expression.

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

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

Is the power produced directly proportional to the wind speed, give reasons for your answer?