Answer:
c
Step-by-step explanation:
i just looked up the question
Step-by-step explanation:
21:18=7:6
42:36=7:6
63:54=7:6
Answer: The answer is the square root of 5.
Step-by-step explanation:
Answer:
The answer is 5
Step-by-step explanation:

We effectively rewrite the equation as

In order for the LHS to be defined, we need to restrict
, or
. Now, the LHS will vanish when the numerator is 0, which happens for

This value is indeed smaller than 4, so the solution is
.