Look up the answers with mathcam.
Answer:
C = 1000x + 115 (Answer B)
Step-by-step explanation:
We know that..
C = 20y + 15
y = 50x + 5
So put the Y value in the equation of C
C = 20 (50x + 5) + 15
C = 1000x + 100 +15
C = 1000x + 115
Answer:
y = -3x - 2
Step-by-step explanation:
M: -3
B: -2
I'm sorry I didn't understand that :/