Please Help! I do not know how to answer this question.

What is the volume of this square pyramid?

Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11

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%