Answer:
Step 1 is wrong
Step-by-step explanation:






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➷ Anything to the power of a half means you square root it
The square root of 16 is 4
Therefore, your answer is 4
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It is prime because there aren't any numbers that multiply to 9 and add to -8
Answer: x =5.5
x+3=8.5
subtract “-3” from both sides
x = 5.5