Which expression is equivalent to
4 Com430 + 4Cam331 + 4C₂m232 + 4C ₂m 133 +
4C4mº342
4x4 + 12x3 +54x2 + 108x + 81
4x4 + 12x3 +54x2 + 108x + 324
x4 + 12x3 + 54x2 + 108x + 81

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

A(t)=728(1+0.04)^t how much money did aditya originally invest

Need 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.