The theorems in this lesson relate to all the following:

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

The area of the map is the product of the length and width. write and expression for the area as the product of the two binomials do not multiply

Find the dimensions of the circle. area = 64π in.² r= in.