And this question is in math can you answer

What is the solution to the equation 9^(x+1) =27

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?

If value of cos330° is √3/2 then find tan165°.