Which equation represents the line that passes through the point (7, -12) and is perpendicular to the y-axis?

y = 7
y = -12
x = 7
x = -12

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)