Joyce painted 4 window frames in 5 hours while earning money for college. what was her painting rate in window frames per hour?

Find the complete factored form of the polynomial 40m^3n^2+45m^2n^6

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

Benefit(s) from large economies of scale, in which the costs of goods decrease as output increases. natural monopolles perfect competition