The area of a trapezoid is 46 square yards. If the height is 4 yards and the length of one of the bases is 16 yards, determine the length of the other base

Subtract 8 1/6 - 4 5/6 . simplify the answer and write as a mixed number.

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.

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?