any two points on the line. $16- A. vertical; divided A $15- B. vertical; multiplied B C. horizontal; divided $14- OD. horizontal; multiplied C Price (dollars per pizza) $13- Refer to the graph. What is the value of the slope of this line? D $12 O A. - 1/5 $11- OB. -1 Dem cun O c. -5 $10- 45 50 55 60 65 70 O D. There is insufficient information to compute the slope of this line. Quantity (pizzas per week)