What is the quadratic regression equation that fits these data?
number of seconds height (in feet)
0
11
1
13
2
13

Answer this question! 30 points and brainliest!

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%

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3