What is the length of a rectangle formed from the lateral surface of a cylinder

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)?

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120

What is the sum of the first 8 terms of the geometric series