investment A, save £160 per month for 2 years. 2.5% interest is added to the total amount saved. Investment B, invest £3600, compound interest is added at 3% each year. After two years, how much more is investment b worth than investment a?

Find the length of cu, the triangles are similar.

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 area of the regular hexagon if a side is 20 cm.