Identify the unit rate shown in the graph

choices:
a. 1/3 mile per hour
b. 3 hours per mile
c. 3 miles per hour
d. 4 miles per hour

17 in long 1.3 ft wide and 8in high what is the volume

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

Nikolas calculated the volume of the prism. his work is shown below.