What times itself 3 times equals 54

What is this equation in point-slope form?

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)?

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.