Answer:

Step-by-step explanation:
Given

Required
Determine the second power
The second power of an expression is the square of the expression.
So, the second power of
is

Solving further:

Hence:
Option (c) is correct
23/6 = 3 and 5/6. You would just put the remainder over the number you divided by
Remember: 50% means 1/2. So, if 18 is 50%, or 1/2, of a number, the number must be double 18.
18 x 2 = 36
18 is 50% of 36.
The answer selected is the correct answer because all of the other ones are equivalent to each other.