A friend has a 85% average before the final exam for a course. That score includes everything but the final, which counts for 20% of the course grade.

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

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?

Factor the polynomial by its greatest common monomial factor.