In the figure, ab| |cd. ∠aeb and ∠ced are congruent __1__ . ∠aec and ∠ __2__ are congruent by the vertical angles theorem. 1. a. by the linear pair theorem. b. by the vertical angles theorem. c. because they are corresponding angles for parallel lines cut by a transversal. 2. a. aeb b. bed c. ecd d. eba

Asilkworm winds its cocoon out of one long silk fiber. to make silk thread, 3 to 10 of these silk fibers are unwound from their cocoons and combined into aa single thread with a typical length of 300 yards. choose a reasonable number of silk fibers in a thread write an equation to find the total length of the silk fibersused in 300 yards of the thread

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

Needmax 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.