13. higher order thinking kyra has a rock collection. when she puts her rocks into 2 equal piles, there are no rocks left over. when she puts her rocks into 3 equal piles, there are still no rocks left over. when she puts her rocks into 4 equal piles, there are still no rocks left over. how many rocks could kyra have?

Three coins are flipped. what is the probability that there will be at least two tails?

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

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