Lorene plans to make several open topped boxes in which to carry plants. She makes the boxes from rectangular sheets of cardboard from which she cuts out 9-in squares from each corner. The length of the original piece of cardboard is 18 in more than
the width. If the volume of the box is 792 indetermine the dimensions of the original piece of cardboard.

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9

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.

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}