During a drive to Arizona, for the first two hours Emily drove at 50 mph,
For the next three hours she drove at 65 mph, and for the last hour she drove
t 60 mph, What was her average speed for these six hours of driving?

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.