Dilate the figures below using the given center of dilation and scale factor. Center of dilation point D, Scale Factor 3

The measure of an angle is 117°. what is the measure of a supplementary angle?

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x

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