Spale. Giles is making tacos for dinner and bought some beef and chicken. At the store, he bought twice as much beef as chicken. The
chicken costs $1.85 per pound, and the beef costs $3.70 per pound. Before sales tax, Giles spent a total of $12.95 on beef and
chicken.
The system of equations below represent the pounds of chicken, x, and pounds of beef, y, that Giles purchased.
y = 21
1.851 + 3.7y = 12.95

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.