In a group of 120 people 90 have an age of more than 30 years and the others have an age of less than 20 years if a person is selected at random from this group what is the probability the persons age is less than 30

Factor the expression using gcf 9b+45

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

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)