Plz help 7th grade math *will mark brainliest! Tell whether the transformation is a rotation about the origin. If so, give the angle and direction of the rotation

Yes, It is letter R, on the y axis, and the angle is 90 degrees.

Good Luck on 7th grade math. Hope this helps! :)

answer: idk

step-by-step explanation:

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0