Can someone tell me if it is correct or not?

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

Aplane intersects a pris paralel to the base of the prism. the cross section is a polygon wth eight sides. how many sides does the base of the prism have? a. 10 b. 8 c. 7 d. 9

Walking at a constant rate of 8 kilometers per hour, juan can cross a bridge in 6 minutes. what is the length of the bridge in meters?