A firm can produce only 2100 units per month. The monthly total cost is given by C(x) = 300 + 200x dollars, where x is the number produced. If the total revenue is given by R(x) = 250x − 1 100 x2 dollars, how many items, x, should the firm produce for maximum profit?

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

In the triangles, tr = ge and sr = fe. if = 3.2 ft, which is a possible measure of ? 1.6 ft 3.0 ft 3.2 ft 4.0 ft