Please solve both of the questions, You don't need to post explanation just post the final answer.

Q1. The minute hand on a watch is9mm long and the hour hand is6mm long. How fast is the distance between the tips of the hands changing at one o'clock? (Round your answer to one decimal place.) mm/h=?

Q2.

Suppose y = V 2x + 1, where x and y are functions of t. (a) If dx/dt = 6, find dy/dt when x = 4. dy = dt (b) If dy/dt = 2, find dx/dt when x = 24. dx dt