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:
The diagonals of all parallelograms do not bisect each other at 90 degree angles.
Step-by-step explanation:
You have to evaluate the slopes of these lines. For line AB you have a slope of

For line CD you have a slope of

Because the slopes are equal and the two lines are not one and the same, they are parallel.
9514 1404 393
Answer:
An account with 2% annual interest rate and no fees
Step-by-step explanation:
The lowest fee is also associated with the lowest interest rate, so that is the account that is the best deal:
An account with 2% annual interest rate and no fees (2nd choice)
Answer:
Infinitely many
Step-by-step explanation:
2x + 2y = 8
x + y = 4
4x + 4y = 16
x + y = 4
Basically they represent the same line.
So all points on the line will satisfy both equations.
Hence infinitely many solutions