Answer:
i think blue
Step-by-step explanation:
Answer:
- <em><u>Given </u></em><em><u>,</u></em>
student's age = x years.
- <em><u>Also </u></em><em><u>,</u></em>
Teacher's age = 2x + 6
- <em><u>And </u></em><em><u>,</u></em>
Principal's age = 3x + 10
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Difference between ages ,

therefore ,
second option is the correct answer.
hope helpful ~
(7^2)^x = 1
49^x = 1
You should know that anything to the power of 0 is equal to 1, therefore x = 0.
49^0 = 1
Hope that helps :)