Simplify 4^3 x 4^5 a. 16x15 b. 16^8 c. 4^15 d. 4^8

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

1) what is the measure of the exterior angle, ∠uvw ? 2) in triangle man, what is the measure of the exterior angle at n (in degrees)?

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827