Answer:
<h2>A.

</h2>
Step-by-step explanation:
The given formula is

Where
and 
To solve for
, first we need to move 

Then, we move the term 1

Finally, we move the factor 

Replacing given values, we have

Thereofre, the right answer is A.
Answer:
The index of refraction of the second medium is higher.
Step-by-step explanation:
Yes becuase constant rate will be 24/1
and when you keep subtracting 1 to the x value & and 24 to y value it will end with 0,0 meaning its proportion