Simplify by combining like terms. − 5 p + 4 m − 2 p + m

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)?

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

What are different types of statistical programs