In the picture below, which lines are lines of symmetry for the figure? A. only 2
B. 1, 2, and 3
C. 2 and 4
D. 1 and 3

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 are the sotions to the quadratic equation 9x^2=4

True or false look at the picture pls : /