Is the purple triangle a right triangle? Explain.

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

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

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