20. Darren is baking a two-layered cake and each layer is in the shape of a cylinder. The radius of the bottom layer is 5 inches and the radius of the top
layer is 3 inches. Both layers are 2 inches high. Find the volume of the cake
batter Darren needs to make this cake.

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)?

1: 4 if the wew 35 surfboards at the beach how many were short boards?

The power generated by an electrical circuit (in watts) as a function of its current c (in amperes) is modeled by p(c)= -15c(c-8) what current will produce the maximum power?