Pleas help
20 points and brainliest

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

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)?

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible