Let ABC be a triangle with m(Â) = 90°, m(Â) = 30° and M is the midpoint of the BC side. Let D be the symmetry of B with respect to AC and N is the foot of the perpendicular from A to DC. If AM = 15 cm, then DN = ? A) 7.5 cm
B) 10 cm
C) 12.5 cm
D) 9 cm
E) 12 cm

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?

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

Simplify using positive exponents only.