What additional statement does this show?
 A. -3.4 + 5.7 = -9.1
 B. -3.4 + (-5.7) = -9.1
 C. 3.4 + (-5.7) = -9.1
 D. 3.4 + 5.7 = -9.1
                                             
                                          
                                          
                                        
											 
			                   
					                  