If 90% of the households in a certain region have answering machines and 50% have both answering machines and call waiting, what is the probability that a household chosen at random and is found to have an answering machine also has call waiting?

How many solutions does the nonlinear system of equations graphed bellow have?

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

3women sell hats at a craft fair weekly. the money they make at the fair is split into categories. 9% goes to pay taxes. $55 goes to pay rent for the space they sell in. the rest is split between the women. if the group make $706 at the fair, how much does each women get paid once the money is divided