A costume designer needs to make 12 costumes for the school play. Each costume requires 2 2/3 yards of fabric. How many yards of fabric does the costume designer need to make all the costumes?

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

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.

Precalculus question, image attached.