Answer:
m=21
Step-by-step explanation:
It might take about 200 and something because its very useful
I believe these add up to 3.75
Step-by-step explanation:

Answer:
y=(4/5)x-(18/5)
Step-by-step explanation:
Slope: 4/5
y=(4/5)x+b
Use (2,-2)
-2=(4/5)(2)+b
b= -18/5
y=(4/5)x-(18/5)