On a math test a student, Sarah, has to identify all the coefficients and constants of the expression 8m+2+n. Sarah says that 8 is a coefficient and 2 is a constant. Identify all the coefficients and constants of the expression. What error might have made?

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.