Answer:
5
Step-by-step explanation:
We desire to evaluate the fraction:
when k=3.
This is a simple substitution, so what is required is
- Replace k with the given number
- Simplify the resulting expression
Therefore, when k=3

You can try the same for any value of k.
Answer:

Step-by-step explanation:
<h3>Exponent rule:</h3>
In exponent multiplication, if bases are same, add the exponents.



in 4 minutes it changed 8 feet
so 8/4 =2 feet per minute change
and since it dropped it would be a negative change so -2 feet per minute
Answer:
52 i think
Step-by-step explanation: