You are going to buy Lego sets as presents for you and your cousins with a saving of $103.21. Here are the options you have.

Fred has a total of 62 dvd and cd. if the number of cd is three more than two times the number of dvd, how many cd does he have?

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?