you are measuring the height of a spruce tree. you stand 45 feet from the base of the tree. you measure the angle of elevation from the ground to the top of the tree to be 59°. find the height h of the tree to the nearest foot​

Dana wants to identify the favorite professional baseball team of people in her community. she stands outside a local sporting goods store and asks every other person who enters, "what is your favorite professional baseball team? " will the results of her survey be valid? explain.