What mathematical series doubles with every iteration?

When can u say there is no solution for a system of linear inequalities? explain your answer and show with a system and graph

Two parallel lines are crossed by a transversal.what is value of x

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.