What type of number is -9​

What is the smallest integer n such that n\sqrt{2} is greater than 20

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

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.