The graph of the quadratic function
f (x) = x 2 + 2 is shown

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

The surface area of the triangular prism is .

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie