Can someone pls tell me the answer for this question.

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

Its worth 10000000 points need asap if you answer correctly ill mark brainliest

Which equation represents the model shown? a)1/3 divide 1/6 = 2 b)2/3 divide 1/6 = 2/18 c)1/3 divide 1/6 = 1/18 d)2/3 divide 1/6 =4