GCF: greatest common factor
4 is the biggest number that goes into both 8 and 20 so that is the GCF
Check the picture below
you could, also go 2/1 to the left-hand-side
Answer:
9 x 2 + 7x
18 + 7x - 6
18 - 6 = 12
12 + 7x
Is your simplified expression
The bacteria at the end of 22 hours is 2,480
The distance? If it is asking for the distance then its square root 313.