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Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)

Last week , donnell practiced the piano 3 hours longer than marcus . together, marcus and donnell practiced the piano 11 hours . for how many hours did each young man practiced the piano

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6