7. A store sells clothes for men. It has 3 kinds of jackets, 7 kinds of shirts, and 5 kinds of pants. Find the number of ways a person can buy: (a) one of the items (b) one of each of the three kinds of clothes.

A pizza restaurant is offering a promotion in which you can order a large pizza and your choice of a side or a bottle of soda (but not both a side and a bottle of soda).  There are 5 pizza choices, 7 sides, and 11 kinds of soda.  How many options are there with this promotion?

A landscaper has 8 different flowering plants. She needs to plant 4 of them in a row in agarden. How many different ways can 4 of the 8 plants be arranged in a row?

In the local boating pond there are 10 plain wooden boats, each with a different number. The owner decides that some of these boats will be painted: one in blue, one in green, one in red, and one in orange, and the remaining ones left unpainted. How many ways are there to paint the boats? The number of ways is