Which best explains why the rotation represents an isometric transformation?
The angle at point D remained a right angle.
The rectangle did not change shape or size..
Point C remained the center of the rectangle.
Point C did not remain the center of the rectangle.

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.