Hey can someone help me?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2

40 points. given: two congruent angles ∠c and ∠r are supplementary. prove: ∠r and ∠c are both right angles. it doesn't have to be exactly 10 rows. statements reasons1. 1. 2. 2. 3. 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8. 9. 9. 10. 10.

Find the value of x in the diagram below. select the best answer from the choices provided