Part a the year in which the us civil war ended was 25 percent later than the year christopher columbus set sail from spain. if c represents the year columbus set sail, we can write the year the civil war ended as c + 0.25c. rewrite this expression as a single term.

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.

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

Line wx is parallel to line yz. if m