The graph below shows the price of different numbers of beach balls at a store: A graph is shown. The values on the x-axis are 0, 2, 4, 6, 8, 10. The values on the y-axis are 0, 11, 22, 33, 44, and 55. Points are shown on ordered pairs 0, 0 and 2, 11 and 4, 22 and 6, 33 and 8, 44. These points are connected by a line. The label on the x-axis is Number of Beach Balls. The title on the y-axis is Price in dollars. Which equation can be used to determine p, the cost of b beach balls? (1 point) p = 5.50b p = 11b b = 5.50p b = 11p