I want answer please

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

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 is the greater volume 72 quarts or 23 gallons