For which situation is the use of exact numbers most appropriate? a) buying gravel to cover a driveway b) ordering cupcakes for a birthday party c) ordering corn dogs to sell in the concession stand at a football game d) an architect calculating the angle for the roof of a house that is being

He trapezoid is composed of a rectangle and two triangles. what is the area of the rectangle? what is the total area of the triangles? what is the area of the trapezoid? ? a) 42 cm2; 27 cm2; 69 cm 2 b) 54 cm2; 27 cm2; 81 cm 2 c) 108 cm2; 27 cm2; 135 cm 2 d) 108 cm2; 13.5 cm2; 121.5 cm 2