Suppose the slope of the graph of a proportional relationship is 3. Which equation represents the proportional relationship?
A) y = 3x + 1
B) x = x + 3
C) y = 3x
D) y = 1/3x

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.