Which sequences of transformations performed on rhombus ABCD shows its congruency to rhombus A′B′C′D′? a reflection across the y-axis and then a 180° rotation about the origin
a 90° counterclockwise rotation about the origin and then a reflection across the y-axis
a reflection across the y-axis and then a 90° counterclockwise rotation about the origin
a 90° clockwise rotation about the origin and then a reflection across the x-axis
a reflection across the x-axis and then a 90° clockwise rotation about the origin

Needmax 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.

Sweet t saved 20 percent of the total cost of the green-eyed fleas new album let there be fleas on earth. if the regular price is $30 how much did sweet save

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /