If the sides of a triangle have the following lengths, find a range of possible values for x. 1. PQ = 7x + 13, QR = 10x - 2. PR = x + 27

(please explain how to do it)

Determine the relationship of ab and cd given the following points

Acylinder has volume 45π and radius 3. what is it’s height?

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.