7 towels to how many blankets

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%

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

Witch represents the inverse of the function f(x)=1/4x-12