This algebraic expression, what is the 3 called? 6n + 3

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)?

15 liters is approximately how many gallons

If point cis between points a and b, then ac + — = ab