Answer this: there are 45 marbles in a bag if there are red, blue, green and yellow marbles and 1/3 of the marbles are red, 2/5 are blue and one third of the number of marbles are green, how many yellow marbles are in the bag.

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?

Write the contrapositive of the conditional statement. determine whether the contrapositive is true or false. if it is false, find a counterexample. a converse statement is formed by exchanging the hypothesis and conclusion of the conditional. a) a non-converse statement is not formed by exchanging the hypothesis and conclusion of the conditional. true b) a statement not formed by exchanging the hypothesis and conclusion of the conditional is a converse statement. false; an inverse statement is not formed by exchanging the hypothesis and conclusion of the conditional. c) a non-converse statement is formed by exchanging the hypothesis and conclusion of the conditional. false; an inverse statement is formed by negating both the hypothesis and conclusion of the conditional. d) a statement not formed by exchanging the hypothesis and conclusion of the conditional is not a converse statement. true