A builder was building a fence. In the morning, he worked for LaTeX: \frac{2}{5}2 5 of an hour. In the afternoon, he worked for LaTeX: \frac{9}{10}9 10 of an hour. How many times as long as in the morning did he work in the afternoon?

Solve for x, y, and z. show all steps.

Ajar of gumballs contains 4 reds, 2 greens, and 6 blues. what is the probability of getting two blues in a row without replacement?

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.