Pls help and ty, I will give brainlists if it gives me the opion to. 
The files below.
                                             
                                          
                                          
                                        
											 
											Answer:
1. 10-25 = -15˚
2. 48-6 = 42˚
3. Negative
4. Positive
5. you can probably do that by urself
Step-by-step explanation: