State if the following represents a permutation or a combination. Rob and Mary are planning trips to nine
countries this year. There are 13 countries
they would like to visit. They are deciding
which countries to skip.

Is this a Permutation or a Combination?

Write a corresponding real world problem to represent 2x - 125=400

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

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