I need help (you can just put the answer but the work how you got it would be deeply appreciated)

This question consists of 2 parts, a and b. marco got a quotient of 70 when he divided 49 by 0.07. part a what is the correct answer to this problem? part b what mistake did marco make? you!

The equation y=mx+b is the slope-intercept form of the equation of a line. what is the equation solved for b? y-m=b y-mx=b y/mx=b y/m-x=b

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