The angles are vertical angles; therefore, x equals 21.
Answer:
Range: [-25/4, infinite)
Step-by-step explanation:
Not sure if I'm exactly correct, but you can try this answer :).
It’s either volume or matter
Answer:
-5
Step-by-step explanation:
Let's call this unknown number x.
Then (x+15)-8=2. Therefore, x=2+8-15 = -5.