Solve the following system of equations.

x + 2y − 6 = z
3y − 2z = 7
4 + 3x = 2y − 5z

a.
b.
c. x = 0, y = 5, z = 4
d. x = 2, y = 1, z = 2

Kevin is an insurance salesman. when he sells a policy, he makes 20 percent of the policy premium (p) up front; then each year the policy is active, he receives 15 percent of the original premium. which equation could be used to figure his total commission on a policy that has been active for five years? c=0.80p c=0.20p + 0.15p c=0.35p + 4(0.15) c=0.95p

What two criteria are needed for triangles to be similar

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.