In Y=mx+b:
m=slope. That is found by using this formula y2-y1/x2-x1
b=y-intercept. That's found by finding slope, m, and substituting that into y=(m)x+b. Then you have to solve for b and that'll be your y-intercept.
Answer:
15 (rounded) 14.7 (not rounded)
Step-by-step explanation:
I don't really understand this question do u have a pic