Which of the following samples would meet the "random" condition?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

How much orange juice do you need to make 2 servings of lemony orange slush?

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.