Is there a difference between all real numbers and infinitely many solutions?

Someone me! if you’re smart you can solve this!

Which is the correct first step in finding the area of the base of a cylinder with a volume of 26x cubic meters and a height of 6.5 meters? v=bh 6.5=b(26x) v=bh v=26pi+(6.5) v=bh v=26pi(6.5) v=bh 26pi=b(6.5)

Need showing work for this problem 56.25 ×25.80