The diameter of a tennis ball is 68 mm. find its volume. express your answer in terms of it. help me plz!

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

Suppose that an airline uses a seat width of 16.516.5 in. assume men have hip breadths that are normally distributed with a mean of 14.414.4 in. and a standard deviation of 0.90.9 in. complete parts (a) through (c) below. (a) find the probability that if an individual man is randomly selected, his hip breadth will be greater than 16.516.5 in. the probability is nothing. (round to four decimal places as needed.)

Pranza plotted point a in the coordinate plane below.