What is the approximate volume of the cone with the height of 12 in. and radius of 9
use 3.14 for pi

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Which statements are true? check all that apply. the line x = 0 is perpendicular to the line y = –3. all lines that are parallel to the y-axis are vertical lines. all lines that are perpendicular to the x-axis have a slope of 0. the equation of the line parallel to the x-axis that passes through the point (2, –6) is x = 2. the equation of the line perpendicular to the y-axis that passes through the point (–5, 1) is y = 1.

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?