Answer:
i beleive its n-6
Step-by-step explanation:
Step-by-step explanation:
There are always 3 sides, angles, and verticies on a triangle
<u><em>Hope this helps!!!</em></u>
<u><em>Brady</em></u>

A negative power is equal to 1/that to the positive power.
Okay so you have to add up 15 and 11 and 4 so your answer is y=30