Find the value of this expression if x = -7 . X^2 -3 / x+5

Given right triangle xyz, which correctly describes the locations of the sides in relation to

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.