Based on Pythagorean identities, which equation is true?.

By what percent will the product of two numbers change, if the first number increases by 70%, while the second number decreases by 40%.

Explain how you might determine the rate of weathering on a sample rock

Classify each action depending on whether it will meet or fail to meet the goals of the organization. a group of students form a healthy earth club at their school. their goal is to limit their school’s impact on human-led climate change. they brainstormed a list of actions they can take to meet this goal.