Help please

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

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