If △abc is a dilation of △def with a scale factor of 8, which statement must be true? you cannot assume any relationship between the triangles. △abc≅△def none of these statements are true. △abc∼△def

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.