Answer:
C. 
Step-by-step explanation:
{y = ¼x - 3}
{2x + 4y = 12
2x + 4[¼x - 3] = 12
2x + x - 12 = 12
3x - 12 = 12
+ 12 + 12
_________
3x = 24
__ __
3 3
[Plug this back into both equations above to get the y-coordinate of −1]; 
I am joyous to assist you anytime.
Answer:
60
Step-by-step explanation:
había multiplicado 4 y 15 espero que esto ayude
That’s easy it’s 18 because the 9x9=18 and there’s a 10s digit
