4 times 1 = 4 so the top one would be 4/12, but i can't help with the rest because i don't understand what they are asking for
Answer:
a−4b
Step-by-step explanation:
Combine Like Terms:
=4a+−6b+−3a+2b
=(4a+−3a)+(−6b+2b)
=a+−4b
have a great day
Answer: Undefined
Step-by-step explanation:
(slope = m)

(3 divided by 0 is undefined, so the slope is undefined)
Step-by-step explanation:
y=mx+c
Take c from both sides:
y-c = mx
Divide both sides by m:
(y-c) / m =x
Now swap sides to make it prettier:
x = (y-c) / m