PLZ help me I will give you the brainlest 1. Find the volume of a cylinder with a radius of 7 inches and a height of 15 inches.

2. Find the volume of a cylinder with a radius of 8inches and a height of 20 inches

3. Find the volume of a cylinder with a diameter of 10 inches and a height of 14 inches.

4.Find the volume of a cylinder with a diameter of 30 inches and a height of 50 inches.

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.

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).