Can someone please help me with this and make sure it’s correct

Which of the fallowing best completes the sequence 12,8,5, a) 1 b) 2 c)4 d)0

Heather is writing a quadratic function that represents a parabola that touches but does not cross the x-axis at x = -6. which function could heather be writing? fx) = x2 + 36x + 12 = x2 - 36x - 12 f(x) = -x + 12x + 36 f(x) = -x? - 12x - 36

Can some one explain this i got sent this. is this a threat i’m scared