CAN SOMEONE PLZ HELP ME WITH THIS MATH. I’LL MARK BRAINLIEST

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

Determine the area of a triangle with (see picture below)

Aresearcher believes increased perceived control influence the well-being of residents at a nursing home. to test this , she allowed one group of residents to have control over their daily lies, (where to eat etc) . the other group of 5 residents had these deceisions made by staff. the resident's feelings of well-being were measured on a 10 point scale at the end of a one month trial period. is there a difference on well-being?