Asap! due today! 30 will mark correct answer you!

Roger and natalie travel in similar cars. roger's car drives the two miles to school in 7.5 minutes. natalie drives the same distance in the opposite direction but in only 6.5 minutes. what is true of their velocities?

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)