let's firstly convert it to an improper fraction.

Answer:
C
Step-by-step explanation:
A models an exponentially increasing function.
B models an exponentially decreasing function.
C models a "bell" curve, similar to the one shown.
D models a "logistic" function, an s-shaped curve that smoothly transitions between two horizontal asymptotes.
I'm sorry I can't see it clearly.
Answer: 20
1) simplify 2^2 to 4
4*5
2) simplify
20
I think it’s 18/5 maybe idk try it!