Can you write an expression for the number of miles george travels in h hours, george drives 45 mi/h?

Really need on these. i have no idea what to do

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%

Which table represents a linear function? i'll give brainliest to first answer ^'^