A cylinder has a radius of 4x + 2 and a height of 5x +4. Which polynomial in standard form best describes the total volume of the cylinder? Use the formula V= rh for the volume of a cylinder.​

Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

Lena reflected this figure across the x-axis. she writes the vertices of the image as a'(−2, 8), b'(−5, 6), c'(−8, 8), d'(−4, 2).