Evaluate your expression to find the number of scoops Zack needs. Show your work. I WILL GIVE BRAINLIEST IF YOU DO IT IN UNDER A MINUTE AND ITS RIGHT

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%

If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.

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