Assuming that the distribution of times is mound shaped and approximately symmetric, approximately what
percentage of times are between 25 and 45 minutes?
Less than 20 minutes or greater than 50 minutes? Less
than 20 minutes?

Thanh and her crew are building a stage in the shape of a trapezoid for an upcoming festival. the lengths of the parallel sides of the trapezoid are 14 ft and 24 ft. the height of the trapezoid is 12 ft.what is the area of the stage? enter your answer in the box. ft²