Emilio made 51 potholders. Each potholder cost him $2.80 to make. If he sells each potholder for $3.26, how much profit will he make =)

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

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)?

Find the multiplicative inverse of 8-12i