billy is taking a five-question true/false test. he did not study. he is going to guess on every question. how many different ways could billy fill out the test? for example one way to guess is f, f, t, t, t, and another guess would be t, t, f, f, f. determine all the possibilities and state how many exist.

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

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.