Answer:
The Greatest Common factor is 1.
Step-by-step explanation:
You can't reduce the numbers anymore.
Answer: 4
Step-by-step explanation:
Change the 2.5 to an improper fraction, then multiply by the reciprocal of 5/8.

Check the picture below.
make sure your calculator is in Degree mode.
Answer:
1199.52
Step-by-step explanation:
714/x=100/168
(714/x)*x=(100/168)*x - we multiply both sides of the equation by x
714=0.5952380952381*x - we divide both sides of the equation by (0.5952380952381) to get x
714/0.5952380952381=x
1199.52=x
x=1199.52