What is the length of midsegment XY

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%

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4