How many toes do i have? giving brainiest if right!

Which representation has a constant of variation of -2.5

Question 10 of 211 pointuse the elimination method to solve the system of equations. choose thecorrect ordered pair.10x +2y = 643x - 4y = -36a. (4,12)b. (-3, 11)c. (2,10)d. (-5, 8)

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?