Pizza Palace charges $x for a large cheese pizza an additional fee based on the number of toppings ordered. Answer the following questions.
a. Two large cheese pizzas and three large pepperoni pizzas are ordered. Write and simplify an expression that represents the total cost.
b. Write and simplify an expression that represents the total cost of eight large pizzas, if two are cheese and six have four toppings each.
c. Elsa ordered three large cheese pizzas, a large pepperoni and mushroom pizza, and a large green pepper and onion pizza. Write and simplify an expression that represents the total cost.