Answer:
C is the answer.
Step-by-step explanation:
You can see that the function is graphed for every number x that is greater than or equal to zero.
So we write that the domain is

.
Answer:
x=27
Step-by-step explanation:
i would give you the steps but honestly, im tired of giving 20 steps for every problem i answer.
Tanα=5/12
α=arctan(5/12)°
α≈22.62° (to nearest hundredth of a degree)