72. true or false a relation that is symmetric with respect to
the x-axis cannot be a function. justify your answer.

Which is the completely factored from of xy^3-x^3y

Two lines parallel to the same plane are parallel to eachother

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