Which expressions represent rational numbers? Select all the apply. StartRoot 100 EndRoot StartRoot 100 EndRoot
13.5 + StartRoot 81 EndRoot
StartRoot 9 EndRoot + StartRoot 729 EndRoot
StartRoot 64 EndRoot + StartRoot 353 EndRoot
One-third + StartRoot 216 EndRoot
Three-fifths + 2.5
pls hel

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9

Acircle has a circumference of 28.36 units what is the diameter of the circle

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.