In a typical wimbledon tennis tournament, 42,000 balls are used and 650 matches are played. about how many balls are used per match?

Which graph corresponds to the function f(x) = x2 + 4x – 1?

The weekly revenue for a company is r = 3p^2 + 60p + 1060, where p is the price of the company's product. what price will result in a revenue of $1200.

The height of a plant, in inches, p years after planting it is given by the polynomial function r(p) = -2p% + 270p. find the height of the plant when p = 90 years.