Answer:

Step-by-step explanation:
-Greatest common factor is defined as the greatest positive that divides a set of whole numbers evenly and without a remainder.
-Given the set 
we notice, that the GCF can't be an integer with the power of x greater than 2:

Since, there's no other positive integer than can evenly divide the set of quotients, the GCF is 
Area= length * height
21*9 = 189cm^2
Answer:
6cm^3
Step-by-step explanation:
V = l*w*h
........... ....
I'd say, 1 and 1/2 cup, if you split it in half.
Answer:
A Mercury Bobcat
Step-by-step explanation: