Ahandbook lists the density of lead as 11.3 g/ml. several groups of students are attempting to determine the density of a lead weight by various methods. calculate the average density measured by each group, and the percentage error in each average. measured densities (g/ml) group 1 group 2 group 3 trial 1 12.7 11.5 10.9 trial 2 11.2 11.4 11.3 trial 3 10.3 11.4 11.1

In which of the situations can information about tyler be represented by the expression r+3 when r represents information about ray? check all that apply.

What is the area of triangle abc if a = 8, b = 11, and c = 15?

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.