Please answer I’ll make brainliest. I have other questions too that I’ll be posting shortly

The water has been on the stove y=9.5x+62.1 after how many minutes will the tempature be 138.1 f

Simplify the expression 10/11(22z) + (a+5) -1

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)?