I need help with add a conference for 500 people 20% of the participants or French 50% or American 5% are Germany and are of other nationalities how many French participants are at the conference pls help it’s due today

Will mark determine whether the conjecture is true or false. give a counterexample for any false conjecture. given: points r, s, and t conjecture: r, s, and t are coplanar. a) false; the points do not have to be in a straight line. b) true c) false; the points to not have to form right angles. d) false; one point may not be between the other two.