If there are only 40 lottery tickets for the big game one of which is a winning ticket, and you buy 11 tickets at random, what is the probability you win

Need on this geometry question. explain how you did it.

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

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1