Nicolette and Kellie have candy from Halloween weekend. Kellie has twenty-one more pieces of candy than Nicolette. Together, they have 57 pieces of candy. How many pieces of candy does Kellie have? *

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?

Which table shows a proportional relationship between miles traveled and gas used?

Now 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.