Ralph is driving from his home to his grandmother’s house at an average rate of 40 miles per hour (mph). he had driven 6 miles when his sister maria left their house and began driving along the same route. at what average rate, in miles per hour, is maria driving if she catches up with ralph in 1 1/2 hours?

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.