4. A ladder leaning against a wall makes an angle of 75º with the ground. If the ladder measures 23.2 feet long, how far is the foot of the ladder from the base of the wall?

Which of the following energy sources is not an example of renewable energy? a. a wind turbine farm b. a clean-burning, coal-fired electric plant c. a hydroelectric dam d. a solar panel mounted on a home

What part did glaciers play in forming the great lakes?

Canada plays an important role in the global community in all of the following ways except by a. acting as a superpower with influence over europe and asia. b. promoting arms control and disarmament. c. working with the commonwealth of nations to promote trade. d. promoting trade with japan and other asian countries.