What is the value of x?

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

If you could answer these your a life saver

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.