The following is a list of P/E ratios (current stock price divided by company's earnings per share) for 21 companies. 57, 53, 50, 46, 42, 35, 31, 56, 52, 49, 45, 51, 51, 51, 48, 48, 44,44, 40,40,40

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters

What is the value of the discrimination for the quadratic equation 0=×2+2+×2