$24.75
this is because 22 ÷ 8 × 9 is equal to 24.75
this is the correct answer
The blank box should be equal to 4
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 