Can u help me with this?

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 y intercept of f(x)=(1/2)^x?

Secant be and cf intersect at point d inside a what is the measure of cde