I need help please help my test is timed..

Solve the system by the elimination method. x + y - 6 = 0 x - y - 8 = 0 when you eliminate y , what is the resulting equation? 2x = -14 2x = 14 -2x = 14

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges