Which expression is equivalent to this?

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip

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?

What is the slope of the line that contains the points (-2,1) and (0,-3)