if she has 9, add 7. you have 16. divide it by half, 8. subtract 3 and you get 5.
It will explode if the atom does not have the same energy level
2x - 45 = 5x
2x - 5x = 45
-3x = 45
x = -15
Answer:
The area of each section of the circle is 
Step-by-step explanation:
we know that
Each section represent a quarter of circle
The area of a quarter of circle is equal to

we have

substitute


I appreciate it too , I had a major problem solving that one.