Substitute each given value of the variable to find which, if any, is a solution of the inequality. x< 12
x = 12.5, 13.5, 22, 112

Given that de, df, and ef are midsegments of △abc, and de=3.2 feet, ef=4 feet, and df=2.4 feet, the perimeter of △abc is .

Find x to the nearest hundredth place

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.