Which is the most effective heading for this section? no reason not to exercise more the many benefits of exercise the different ways to exercise exercise can be fun and social.

Hree steps to answering test questions correctly include a. underlining, repeating, reading c. reading, undoing, eliminating b. reading, underlining, erasing d. reading, underlining, eliminating

Did the universe cool off or get hotter as it expanded after the 'big bang"?

The solutions to the inequality y ≤ 2x − 4 are shaded on the graph. which point is a solution? p