No because there can be different shapes
If you subtract 3-7 and add 9 to it the result is 5. 3-7+9=5
The answer is 150 degrees
i hope i helped
Given:
The expression is

To find:
The simplified form of the given expression.
Solution:
We have,

It can be written as

![[\because a^2-b^2=(a-b)(a+b)]](https://tex.z-dn.net/?f=%5B%5Cbecause%20a%5E2-b%5E2%3D%28a-b%29%28a%2Bb%29%5D)
Taking LCM, we get




Cancel out the common factors.

Therefore, the simplified form of the given expression is
.
Answer:
50%
Step-by-step explanation: