Need with 8: use the property to complete the statement

What is the logarithmic function modeled by the following table? x f(x) 9 2 27 3 81 4

Which graph of a hyperbola represents the equation 16x^2-y^2=16

Two trains leave stations 546 miles apart at the same time and travel toward each other. one train travels at 95 miles per hour while the other travels at 115 miles per hour l. how long will it take for the two trains to meet