A baseball team has 13 possible batters. How many batting orders ofnine players can be made, such that batter Wendy and batter Harvey must bat one after the other AND in the first four positions?

An appliance store carries 9 types of washing machines and 5 types of dryers. A shopper comes in and buys a washer and dryer. How many possible combination of a washer and dryer did the shopper have to choose from?

A bag contains three red marbles, one green one, one lavender one, three yellows, and three orange marbles. How many sets of five marbles include at most one of the yellow ones? sets

Suppose you visit a small, local panadería and decide to pick up some pasteries. The panadería has a selection of 8 different cupcakes, 14 different donuts ,7 different muffins ,2 types of donut holes , and 11 different types of pan dulce. You  pick one of each. How many different orders are possible.