Find the measure of an angle that is four hundred eighty-five less than four times its supplement.

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

Solve the equation x/4 - 5= -8 -27 -12 -7 12

Factor the expression using gcf 9b+45