Answer:

Step-by-step explanation:
Just Square the numbers like a normal equation.
4² = 16
9² = 81
This gives us 
or 0.198 as a decimal (approx)
Is that all the question says can you give it into more details
So I can help you out
Answer: k=11
Step-by-step explanation:
Answer:
Step-by-step explanation:

24x=48
x=2