What is the slope of the line that passes through these points (8,-4) and (6,2)

Answer question above and explain each step : )

Which of the following shows the length of the third side, in inches, of the triangle below

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.