1 The product of 3 and the sum of r and 1 equals 15.
Construct an equation and find the value of x.​

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.

Which rule describes the composition of transformations that maps △abc to △a”b”c

Convert the density of surface sea water to metric tons/cubic meter