please helpppppppppp math
4.  
W′X′Y′Z′ is a dilation image of WXYZ. Which is the correct description of the dilation?
A)  an enlargement with scale factor 2
B)  a reduction with scale factor 1/2
C) a reduction with scale factor 2
D)  an enlargement with scale factor 1/2
                                             
                                          
                                          
                                        
											 
			                   
					                  