Answer:
+17
Step-by-step explanation:
Okay for this you take the point (-8+7) and plug it into the equation getting you this 7=(-8)+b
If you multiple by -8 you get -10
You then add -10 to the other side to get 17
that means 17=b
meaning you get +17 by plugging in 17 to b
which is the graphic
Scheme a 45000 is the answer
Answer:A
A≈644.58