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What is the measure of angle tvu shown in the diagram below

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?

Which point-slope form equation represents a line that passes through (3,-2) with a slope of -4/5