The pitch of a roof is the number of feet the roof rises for each 12 feet horizontally. if a roof has a pitch of 8, what is its slope expressed as a positive number?
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Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b

According to a study done by de anza students, the height for asian adult males is normally distributed with an average of 66 inches and a standard deviation of 2.5 inches. suppose one asian adult male is randomly chosen. let x = height of the individual. a) give the distribution of x. x ~ b) find the probability that the person is between 64 and 69 inches. write the probability statement. what is the probability?