The picture shows a barn door: a barn door has two parallel bars. a support ab of length 6 feet runs across the diagonal between the two parallel bars. the angle made by the diagonal with the parallel bar on top is 60 degrees. what is the length of the bar ac?

a. 6 sin 60°
b. 6 cos 60°
c. 6/cos60
d. 6/tan60

What is the fewest number of full weeks briyana would have to work to have enough money? 8 weeks9 weeks 10 weeks11 weeks

Find the cosine function that is represented in the graph.

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.