4y:5y would be the simplest form
Answer:
The length of AC is 2.33 units.
Step-by-step explanation:
You have to use Tangent Rule, tanθ = opposite/adjacent :

Let oppo. = AC,
Let adj. = BC = 5,
Let θ = 25°,



Hello,
y=k*e^(-x) with k=1(1=k*e^(-0)) is defined for all reals.
Answer C
The answer is C!!! I really hope that this helps you