|2x+8|−4=12 (solve for x)

Find the root(s) of f (x) = (x- 6)2(x + 2)2.

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.

Marco states that 7.696696669…… is a rational number because it is a repeating decimal. is he correct? justify your answer.