2z(4w+3z-5)-(2w+5z)(1w+4z-3)

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e.g. 98.765).

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?