A) what is james' average speed on his outward journey?

c) what is james' average speed on his homeward journey?

Can someone me with my hwplz(only the circled ones)

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function

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