Factor the polynomial: -2x3 - 4x2 - 6x
a. -2x(x2 + 2x+3)
b. -2x{-x2 - 2x - 3)
c. 2x(x2 + 2x+3)
d. -2x(-x2 - 4x - 6)

What is the perimeter, p, of a rectangle that has a length of x + 8 and a width of y − 1? p = 2x + 2y + 18 p = 2x + 2y + 14 p = x + y − 9 p = x + y + 7

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?