Answer:
answer 1, 135
Step-by-step explanation:
Answer: 0.3048
Step-by-step explanation:
(x+1) x (3x-4) is the answer
We can set up a system of equations:
x + y = 12
x - y = 4
Adding these two together:
2x = 16
x = 8
Substituting 8 in the first equation:
8 + y = 12
y = 4
Hope this helps!