The width, w, of a rectangular playground is 2x – 1. The area of the playground is 2x3 + x2 – 5x + 2. What is an expression for the length of the playground? A. x²+x-2
B. x - x + 2
C. x2 + x + 2
D. X2 - x-2

What is the volume of the sphere shown below with a radius of 3?

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.

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?