Answer: If you are asking for 12+4=-25, then your answer is (if you evaluate), it's 16=-25.
Hope this helps you out! ☺
Answer:

Step-by-step explanation:
The sum of the interior angles of any polygon with five sides is equal to
. Therefore, we can set up the following equation and solve for
:

Answer:
It is a box
Step-by-step explanation:
IT's a box ,because I had to put a stick in the box
1st box:
m<A + m<B + m<C = 180
2nd box:
substitution property
3rd box:
division property of equality
Hope it helps.
(6y - 11)(6y + 11) = ay
² - b |use (a - b)(a + b) = a² - b²
(6y)² - 11² =ay² - b
36y² - 121 = ay² - b |add b to both sides
ay² = 36y² - 121 + b |divide both sides by y² ≠ 0
a = (36y² - 121 + b)/y²