Determine if this
graph is an example
of a function.

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%

Will gve pints stars and brainliest

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers