Answer:
x = ± 
Step-by-step explanation:
Given
x² = 20 ( take the square root of both sides )
x = ± 
which can be simplified to
x = ± 2
[ ± means plus or minus ]
Answer: brand C
Step-by-step explanation:
i just took the quiz
Answer:
1. 7
2. 54÷2=27
only this I know please put brainlest
Answer:
a
Step-by-step explanation:
it can be solved