Question

Help due tomorrow
Brailest

Answer 1

Explanation:

y=mx+b

m=(y2-y1)/(x2-x1)

m=(90-65)(/(200-100)=25/100=1/4

y=x/4+b, using point (100,65)

65=100/4+b

65=25+b

b=40

y=x/4+40 or more neatly

y=(x+160)/4

Following these steps you should have no problem with second problem.