Respuesta :
					                   D)13.5
8-(-5.5) =13.5
8+5=13
5-5=0
0+5=5
I added them like that: 13+0.5=13.5
I hope my way helped.
					                
					                
					             8-(-5.5) =13.5
8+5=13
5-5=0
0+5=5
I added them like that: 13+0.5=13.5
I hope my way helped.
 
			                   
					                  