Karl bought 312 gallons of milk that cost $2.70 per gallon. what was the total cost of the milk?

Is it true or false i’m trying to pass this test so i can leave school

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.