The diameter of a circle is 12 miles, what is the length of the 180 degree arc in the simplest form?

7x+8y=-18, 4x-9y=-3 solve the system of equations

Find the least common denominator for thesetvo rational expressions. n^2/n^2+4n+4 -3/n^2+7n+10

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