What is (14.2a + 9.8b) - (13.1b - 0.2a) - (3.7a + 4.8b) simplified

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.

Secant be and cf intersect at point d inside a what is the measure of cde

State one method by which you can recognize a perfect square trinomial.