How to do this question?

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

Identify the number 127 as a rational or irrational. explain

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)