Answer:
s = plus or minus square root of 18
or
s = plus or minus 4.24264068712
Explanation:
s^2-18
s^2=18
(Find the square root of both sides)
s = plus or minus square root of 18
Always when finding the square root of a number, your answer is plus or minus ____.
When you plug square root of 18 into the calculator, is is about 4.24264068712.