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