Three square regions are joined at their vertices to create the figure shown.

if the area of region z is 169 cm2, which statement is true?
a) the combined area of region x and region y is equal to 169 cm2.
b) the combined area of region x and region y is less than to 169 cm2.
c) the combined area of region x and region y is more than equal to 169 cm2.
d) the combined area of region x and region y cannot be determined from the information presented.

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

Cor d? ? me ? 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.

80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent