Find the surface area of the composite solid. 6 ft 4 ft 1 5 ft 5 ft​

How do you use the elimination method for this question? explain, because i really want to understand!

Drag the tiles to the boxes to form correct pairs. not all tiles will be used. match each set of vertices with the type of quadrilateral they form

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?