In how many ways can 12 people be chosen from a group of 55?

a. 55 ways

b. 12 × 55 ways

c. 12c1 ways

d. 55c12 ways

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

Common ratio, exponential function, half-life that's all i have so