Please help :)
M is the midpoint of segment AT.
Solve for X and AM

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%

The surface area of the triangular prism is .

With alll of except for the 2 that i did already