All you do is use the a+b=c formula lets plug it in
15+b=35
15+20=35
35=35
The answer is 20
All we need to do is plug the numbers into the equation.
A:

Not A.
B:

Not B.
C:

C is the correct answer
Yes, 0.09 squared, or <span>0.0081, is a rational number.</span>
Answer:
8/7 divided by 9/7=8/9