Pls help I need it now Determine the coordinates of the vertices images of triangle ABC after a counterclockwise rotation of 270° around the origin

If the measure of xyz is 81 what is the measure of yz

What describes horizontal cross section of the right rectangle 6m 8m 5m

Someone answer asap for ! max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a. the median of max’s data is 250 b. more than half of the data points max recorded were 177 centimeters. c. a data point chosen at random is as likely to be above the mean as it is to be below the mean. d. every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.