Use the Fundamental Counting Principle to solve Exercises 29–40. An ice cream store sells two drinks (sodas or milk shakes) in four sizes (small, medium, large, or jumbo) and five flavors (vanilla, strawberry, chocolate, coffee, or pistachio). In how many ways can a customer order a drink?

Use the Fundamental Counting Principle to solve Exercises 29–40. A popular brand of pen is available in three colors (red, green, or blue) and four writing tips (bold, medium, fine, or micro). How many different choices of pens do you have with this brand?

Use the Fundamental Counting Principle to solve Exercises 29–40. The model of the car you are thinking of buying is available in nine different colors and three different styles (hatchback, sedan, or sport). In how many ways can you order the car?

Evaluate each expression.

$\frac{{}_4{C}_2{\cdot }_6{C}_1}{{}_{18}{C}_3}$

Evaluate each expression.

$1-\frac{{}_3{P}_2}{{}_4{P}_3}$

Evaluate each expression.

$\frac{{}_7{P}_3}{3!}{-}_7{C}_3$

Use the formula for nCr to evaluate each expression. ₅C₀

Use the formula for nCr to evaluate each expression. ₇C₇