A) (-2,4) hope this helps
Answer:
Step-by-step explanation:
I wanna help you but I don’t understand sorry
Use substitution and substitute y into the other equation. One of the equations already gives you y in terms of x, so use that and substitute it into the other equation. y = 3x - 4
Plug into the other equation: -3y = -9x + 12
-3(3x-4) = -9x + 12
-9x + 12 = -9x + 12
This is an identity. So that means that any value of x makes this equation true. So B.
Answer:40
Step-by-step explanation:
2300/57=40.35
40 shelves will be completely full of books.