Use an equation to find the value of k so that the line that passes through the given points has the given slope. (4,−4), (k,−1); m=3/4

HELPPP M

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?