Find the effective interest rate of 12% compounded quarterly.

What are the soultion(s) to the quadratic equation 40- x^2=0

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

Using only odd number for numerators write two different subtraction problems that have a difference of 3/4