Directions: Solve for x. Round to the nearest tenth.

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

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