Which of these is the algebraic expression for "6 less than 5 times some number? " 6n − 5 5n − 6 5 − 6n 6 − 5n

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?