One pipe can fill a tank and 36 minutes, a second can fill in nine minutes, and a third can fill in 12 minutes. If the tank is empty, how long will the three pipes, operating together, take to fill it

Ernest is purchasing a $175,000 home with a 30-year mortgage. he will make a $15,000 down payment. use the table below to find his monthly pmi payment.

Melanie is buying a bathing suit that costs 39.99. she is given a discount at the cash register of $6.00 when she scratched 15% off on a game piece for a store promotion. what will the sale price of melanie’s bathing suit be?

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle