Determine the value of x.

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

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)

You buy a veido game for $60 and the sales tax is 8% what is the total cost for the game including the sales tax