Answer the question and ill mark you brainliest!

What unit of been sure would be appropriate for the volume of a sphere with a radius of 2 meters

The image of abc is a'b'c. what transformations would result in this image? abc is reflected over the line x = 1, then is rotated -90° around the origin. abc is reflected over the line y = x - 1, then t: (x, y) → (x - 1, y - 1). abc is rotated 90° around the origin, then is reflected over the y-axis. abc is rotated -90° around the origin, then is reflected over the line y = -1.

Answer asap! due in 30 minutes! ! 8th grade math