Not necessarily. You could have done your multiplication wrong. Or in some cases, yes, you could have to use another skill. For example, you can't solve an optimization problem with addition, you need some calculus skills under your belt.
The GCF is 36 since 36 can go into 144 (:
x
I the answer is C I’m not really sure but I’ll update u when i get the answer
Answer:
Is it a map? To me that makes the most logical sense.