What is the volume of a cube if the length measures 2 cm?

Which statement best describes the polynomial

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0