Which of the following represents "five times the sum of a number and fifteen is fifty"?
a) 5(n + 15) = 50
b) 5n + 15n = 50
c) 5n + 15 = 50

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

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.

Zach spent 2/3 hour reading on friday a 11/3 hlurs reading on saturday. how much more time did he read on saturday tha on friday