Where is the point X located on the number line shown below?

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

Tyler enjoys the fish so much that after his birthday his family decides to take him to a famous aquarium a tank at the aquarium is similar to his tank with the scale factor of 8 how many times greater is the volume of the tank at the aquarium than the volume of tyler tank

10% of 1,900,000. show me how you got the answer