The graph models a weight bobbing up and down on a spring. How far does the weight travel, going from maximum displacement to minimum displacement? : Answer is 4 or B

Which of the following points is collinear with (-2,1) and (0,3)

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8

Which of the following represents the length of a diagonal of this trapezoid?