The area of a square is 64 square inches how long each side

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%

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

If square root x = -7, then x= -49 true or false