Can i plz have some help with this

Area = 3.14(r^2)
Area = 3.14(4^2)
Area = 3.14(16)
Area = 50.2
The answer is C

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

$18.25 ($365 divided by 20)