No links or weird, answer, please! Thanks. So...My teacher already gave me the answer to the question (the answer is C) but I need to know how that is the answer. Please tell me how to solve this question. Thank you

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%

Olive's solar powered scooter travels at a rate of 30 miles per hour. what equation can she use to calculate her distance with relation to the time she traveled? h=hours m=miles 1. h=m+30 2. m=30h 3. m=h+30 4. h=30m

Ab and bc are tangent to circle d. find x is ab = 3x + 8 and bc = 26. find x