Solve the right triangle shown in the figure. Remember, exact lengths can be approximated on a calculator.

Three times the sum of a number and seven is negative thirty-six. what is the number?

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?

Jane has 5 nickels. john has 3 dimes. jane says she has a greater amount of money. with the information given, is she correct?