4 A submarine 50.2 m below the surface of the ocean
goes up 15.6 m. Then it goes down 35.7 m. What is the
submarine's new position relative to the surface of the
ocean? Show
your work.
50.2 m
below surfac

Bc equals mb that should be your answer

If you need an equation, it would be y=2x+8, y would be how long it grew, x being weeks.if you need how long he was asleep, it would be 4 weeks if he started with no beard, the equation would be x=8÷2if he did have a beard before hand, the equation would be 2w+x=8