A pizza parlor offers 12 different toppings for their pizza (the base pizza comes with only sauce, which is NOT included in the 12 toppings). How many different pizzas can be ordered if: a) a pizza has no limit to the number of toppings? b) a pizza has no limit to the number of toppings, but must have at least one topping?

2. Solve each equation. a) b) 2x' - 5x - 3

The current population of a small city is 48000 people. Due to a loss of jobs, the population is decreasing by an average of 450 people per year. How many years (from now) will it take for the population to decrease to 44850 people? A) Write an equation you can use to answer this question. Be sure all the numbers given above appear in your equation. Use z as your variable and use no commas in your equation. The equation is B) Solve your equation in part [A] for z. Preview Answer: E

Precalculus (don't use advanced methods to solve/show the work)