at the local quick trip a soda costs $1.29 per soda ("s") and a hot dog costs $1.19 per dog ("d"). The expression that represents the total cost is? A. $1.29s + 1.19d
B. $1.29d + 1.19s
C. ($1.29s + 1.19d) divided by (s+d)
D. ($1.19s+$1.29d) divide by (s+d)

Arestaurant offers delivery for their pizzas. the total cost the customer pays is the price of the pizzas, plus a delivery fee. one customer pays $23 to have 2 pizzas delivered. another customer pays $59 for 6 pizzas. how many pizzas are delivered to a customer who pays $86?