6. Jerri was using a recipe for a large pie that required one-half of a cup of sugar. Instead of making one large pie, Jerri decided to use the recipe to make three small pies. How much sugar should she use for each of the three small pies?

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)?

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).