Answer:
None of the above
Step-by-step explanation:
F - 40y
G - 4y
H - 40y
J y+4
Answer:

Step-by-step explanation:

So, 
= 
Hope this helps :)
See attachment file below.
Answer: 5 1/2 (5.5)
Step-by-step explanation:
add 4 2/3 to 5/6
Using elimination method to find y
3x - 4y = -15 (multiply 4)
4x + 3y = 5 (multiply 3)
------------------------------------
12x - 16y = -60
12x + 9y = 15
--------------------- - (substract)
-25y = -75
y = 3
Using subtitution method to find x
3x - 4y = -15
3x - 4(3) = -15
3x - 12 = -15
3x = -3
x = -1
The solution (-1,3)