Answer:
5xy
Step-by-step explanation:
I'm going out on a limb and assuming exponents.

We can note that 5 is a common factor for the coefficients. All the terms share at least one x. All the terms share all least one y. So the GCF of these monomials is 5xy.
Answer:
C. f(x)=-2x^3-2x^2+12x
Step-by-step explanation:
Answer:
y
Step-by-step explanation:
He answered 8 questions incorrectly. 2*8=16 100-16=84