A billion has 9 zeros. So
15,000,000,000
:)
The answer is the bottom left one :D
513 as a percentage of 900 can be re-written as;

= 57 percent
Answer: um what
Step-by-step explanation: Wa
Answer:
x= 13 degrees
Step-by-step explanation:
This is a 90 degree angle. We can create an equation to find x
68+x+9= 90
77+x= 90
-77 -77
x= 13 degrees
Hope this helps!