When the price of a product is p dollars each, suppose that a manufacturer will supply 2p-18 units of the product to the market and that consumers will demand to buy 270-4p units. At the value of p for which supply equals demand, the market is said to be in equilibrium. Find this value of p.

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent.the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244