What is the approximate slope of the proper line of best fit? A)-6 B) 5 C) 3 D) -4

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?

In triangle abc, the length of side ab is 12 cm, the length of side bc is 5 cm, and the length of side ca is 9 cm. find the measure of angle a using the law of cosines.

Find the solutions for a triangle with a =16, c =12, and b = 63º