Number 7: express the following function as a composition of the functions: (question in photo)

Jordan rides his bike 6 7/15 miles every day to deliver newspapers and to go to and from school. if his ride to and from school is 4 3/10 miles, how many miles is the trip to deliver newspapers? 1 1/3 1 1/6 2 1/6 2 4/5

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

If sin(x) = 0 and cos(x) = 1, what is tan(x)?