Can some one help please this is the question, "Give the equation of the circle centered at the origin and passing through the point (0,-8)

Which function is shown in the graph below?

Plz a. s. a. p.the table shows the number of male and female contestants who did not win a prize. what is the probability that a randomly selected contestant won a prize, given that the contestant was female? write the probability as a percent. round to the neares tenth, if needed.

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)