15) The school play is selling tickets. On the first day, 5 children's tickets
and 7 Adult tickets sold for a total of $62. The next day, 6 children's tickets
and 4 adult tickets sold for $48. What is the cost for each ticket?

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.