Answer:
-7x
Step-by-step explanation:
==> -12x + 5x.
==> -12+5xx
==> -7x
Answer:
t = 17.5 f = 12
Step-by-step explanation:
If <em>MNOP </em>is a square, you know that each angle is going to be 90°. To solve, let's first set each equation equal to 90°:

and

Then solve both equations:

and

I hope that helps!
Step-by-step explanation:
Boys

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Total last year 46
Total this year 48
Increase
If there aren’t any degrees and it doesn’t state that the triangle is equilateral then you cannot solve this equation without more information