A raffle is held. There are 100 tickets, each selling for $10. Sole prize is a $400 laptop computer. What is the expected value? (don't type in $ sign)

Based on the graph, what is the initial value of the linear relationship? a coordinate plane is shown. a line passes through the y-axis at -2 and the x-axis at 3.

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 someone tell me if this is perpendicular? !