PICTURE BELOW / What is the surface area of this right rectangular prism? Enter your answer in the box.

cm²

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%

Me. i can't figure out this question. give an explanation too. .

Suppose y varies directly with x. write a direct variation equation that relates x and y. then find the value of y when x=12 y=7 when x=3