Find the equation equivalent to 2/3

If eh = hg and hg=16, find the diameter of k

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Which of the following describes the symmetry of the graph of y = x3?