Karen made 24 greeting cards. She put an equal number of greeting cards into each box. Let c represent the number of greeting cards Karen put in each box. Which statement represents the number of boxes Karen put greeting cards into?

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?