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Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?

Martha is training for a duathlon, which includes biking and running. she knows that yesterday she covered a total distance of over 55.5 miles in more than than 4.5 hours of training. martha runs at a speed of 6 mph and bikes at a rate of 15.5 mph.

A11 gram sample of a substance that’s used to treat thyroid disorders has a k-value of 0.1247