HELP IT'S DUE TONIGHT If a piece of steel 12 feet long weighs 168 pounds, how much will a piece of steel 20 feet long weigh?

Taking algebra two apex courses and need with these questions

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)?

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.