Y = x + 5....so we sub in x + 5 for y in the other equation
4x + y = 20
4x + x + 5 = 20
5x + 5 = 20
5x = 20 - 5
5x = 15
x = 15/5
x = 3
y = x + 5
y = 3 + 5
y = 8
solution is (3,8)
Answer:
A
Step-by-step explanation:

Hope this helps!
Suplementary is angles add up to 180 degrees
C=180-D
C=180-84
C=96 degrees
Hope this helped :)
43.0 or if your changing it to kilograms 0.00056 kilograms would be the answer.
No, because the 9 pounds would cost 22.5, and that is 5 cents more than he has