Jenny, cassie, and brit are sisters whose ages add to 36. cassie
is twice the age of brit, and jenny is one year older than cassie.
how old is each sister?

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

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.

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin. how many doctors use brand x aspirin