What is the volume of the pyramid height 6m and 8m and 2m along the base? A. 16m^3
B. 20m^3
C. 32m^3
D. 40m^3

The roof of a farm silo is the shape of a hemisphere and is made of sheet tin. if the diameter of the silo is 126.5 feet, how much sheet tin is needed to make the roof? (use π = 3.1416.)

1. suppose that scores on a knowledge test are normally distributed with a mean of 71 and a standard deviation of 6. a. label the curve: show the mean and the value at each standard deviation: b. if angelica scored a 76 on the test, what is her z-score? (draw her score on the curve above and label) c. what percent of students did angelica score higher than? how can you tell? d. if 185 students took the test, how many students scored higher than angelica?

Jan is making cakes for her party. five cakes will serve 45? people. how many cakes will she need for 72people? what is the unit rate? graph your data.