Answer:

Step-by-step explanation:
Answer:
nope
Step-by-step explanation:
Answer:
x^2 + 2x + 3
Step-by-step explanation:
Answer:
Step-by-step explanation:
I think it is A
ANSWER
B.) 72
EXPLANATION
Recall the expansion for the factorial notation:

We want to simplify

Let us expand the numerator up to 7! while maintaining the denominator.

When we cancel out the common factors,we obtain:

This simplifies to

The correct answer is B.