A delivery person uses a service elevator to bring boxes of books up to an office. The delivery person weighs 170 pounds in each box of books weighs 40 pounds. The maximum capacity of the elevator is 1120 pounds. How many boxes of books can the delivery person bring up at one time

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?

The anwser cause i do not understand just plez

What’s the volume of the triangular prism?