Answer:
Step-by-step explanation:

14 since there are 3 feet in a yard.
I think that it might be "c" but I am not sure but hey it is worth a shot sorry if I am wrong!
They could be rational, irrational, whole, or an integer.
Plug in 6 for x
2^2 - 7(6) - 6
4 - 42 - 6 = -44