1. which figure has rotational symmetry?

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%

What expression is equivalent to (2x-1)(x-3)?

What is the rate of change of a line that passes through (2,-5) and (6,-2)?