Ibeg you in a bag there are 3 red marbles, 2 yellow marbles and 1 blue marble. after a marble is selected, it is replaced. what is the theoretical probability of pulling a blue marble and then a yellow marble? group of answer choices

(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.