Do the points (-1,9) and (2,4) represent the vertex and a sample point, respectivelt, of y= -2(x+1)^2+9? Explain.

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

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?

If f(x) = 6x – 4, what is f(x) when x = 8? a2 b16 c44 d52