wendy needs to select three different pizza toppings out of twelve available toppings. the number of three different three-item pizzas she can choose is

4

Step-by-step explanation:

There are three pizzas, and each has different toppings. There are twelve toppings available, so if you divide twelve toppings by three pizzas, you get four.

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step-by-step explanation:

= 5

step-by-step explanation:

to find the 15th term substitute n = 15 into the nth term formula

= (- 3 × 15 ) + 50 = - 45 + 50 = 5