Can someone help me do this and explain what I should put; I have no idea what we are learning about.

Find and simplify an expression for the area of five rows of square with side lengths of x

Which of the following statements about the economic consequences of the civil war is not accurate. a. inflation caused prices to rise by 80% in the north. b. because southern farms cannot process enough food for everyone in the south the union navy allowed food shipments from britain. c. to pay for all of the food supplies and arrangements that were necessary for the union army congress instituted an income tax. d. business boomed in the north as factories and farms always had a market for their products.

What new deal programs would have had the largest impact on rural electrification during the 1930s?