Find the volume of a pyramid with a square base, where the area of the base is 19.8 cm^2 and the height of the pyramid is 13.9 cm. Round your answer to the nearest tenth of a cubic centimeter.

Acollege is selling tickets for a winter fund-raiser. one day, krissa sold 14 adult tickets and 8 student tickets for a total of $376. the next day, she sold 7 adult tickets and 11 student tickets for a total of $272. krissa wanted to find the price of one adult ticket, a, and the price of one student ticket, s. she wrote and solved the following system of equations.