The width of a rectangle measures (7k-2m)(7k−2m) centimeters, and its length measures (5k-m)(5k−m) centimeters. Which expression represents the perimeter, in centimeters, of the rectangle?

The average car sold from dealership a is 25,700. if the salesperson receives 1.5% commission on the price of the car, how much commission is made on a average per car sold

Which ratio is equal to 23? 6/6 5/9 6/9 5/6

Which of the following are identities? check all that apply. a. cos(x + y) + cos(x - y) = 2009 xcosy o b.cos(x + y) - cos(x - y) = 2 coexcosy c. sin(x + y) + sin(x - y) = 2cosxsiny d. tar(x - 25) = tan x