Answer:
3z + y = 1
Step-by-step explanation:
.........................
Multiply the previous value by 3
It is rational, because it can be written as a fraction.
D. 1/4
Explanation:
a perfect square is written in the form
(1)
In our problem, we have this perfect square:
(2)
with C being unknown. However, by comparing (1) and (2), we know that

So, we find

and therefore, the missing term must be

so the complete square is

Answer
The distance is 13.4164078649987