Which algebraic expression represents the following: the sum of four times a number and six? 4(x+6) 4(x•6) 4x+6 x+4•6 : (

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.