Answer:
I think so I'm not too sure
Answer:
12a+60 i think lol
Step-by-step explanation:
this is how i did it though:
12(a+b)
12a+60
I really don't know how toowrk it out on paper, I'm afraid. I just looked at it, and somehow knew that the answers are 7 and 9.
Answer: (x, y) = (-5, -10)
Step-by-step explanation: too lazy