For the graphed function f(x) = −(3)x − 1 + 3, calculate the average rate of change from x = 1 to x = 3.

Use the side-by-side boxplots shown to complete parts (a) through (e). 0 30 60 90 120 y x

If the measure of xyz is 81 what is the measure of yz

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?