Helpp mee please

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%

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a