Answer this for 10 points

If a || b and e || f , what if the value of y ?

Find two numbers if their sum is 91 and the ratio is 6: 7?

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.