Ari has a total of 22 coins consisting of pennies and nickels. The total value of the coins is $0.54. Which equation can be used to find the number of pennies Ari has?

A)0.01p + 0.05(0.54 – p) = 22
B)0.01p + 0.05(22 – p) = 0.54
C)0.01p + 1.1 = 0.54
D)p + 5(22 – p) = 0.54

The graph below shows the price of different numbers of mats 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, 21, 42, 63, 84, and 105. points are shown on ordered pairs 0, 0 and 2, 21 and 4, 42 and 6, 63 and 8, 84. these points are connected by a line. the label on the x axis is number of mats. the title on the y axis is price in dollars. which equation can be used to determine p, the cost of b mats?

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