3. Regular
4. Regular
5. Not regular
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
------------------------------------------
Difference between ages ,

therefore ,
second option is the correct answer.
hope helpful ~
Answer:
27
Step-by-step explanation:
Answer:
-2x-6
Step-by-step explanation:
-2(×+3)
-2x-2.3
-2x-6
Answer:
The answer is C.
Step-by-step explanation:
When we see something with a high correlation coefficient, we know that these two things trend in the same direction (which eliminates D). However, we must remember that correlation does not mean causation, so A and B are also out.