A motorboat can maintain a constant speed of 15 miles per hour relative to the water. The boat makes a trip upstream to a certain point in 57 minutes; the return trip takes 33 minutes. What is the speed of the​ current?decorative image

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.