The area of a parallelogram is 240 cm² and the height is 20 cm² find the corresponding base a) 260 cm b) 220 cm c) 4,800 centimeter squared d) 12 cm

The area of a 25-inch tv screen is 300 square inches. the area of a 40-inch tv screen is 768 square inches. the are of the smaller screen is what percent of the area of the larger screen?

Which expression gives you the distance between the points (5,1)and(9,-6)

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !