Plz help me with my math

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%

Triangle xyz has vertices x(1,3), y(0,0)

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.