Acheckers board is 8 squares long and 8 squares wide. the area of each square is 14 square centimeters. estimate the perimeter of the checkers board to the nearest tenth of a centimeter

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.

Acourt reporter is transcribing an accident report from germany. the report states that the driver was traveling 80 kilometers per hour. how many miles per hour was the driver traveling?

Having a hard time understanding this question (see attachment).