Evaluate the expression. |9|

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

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

Find the values of y: 3y^3(y^2+ 2/3y)=0