<h3><u><em>
Answer:</em></u></h3>
-15 > -21
<h3><u><em>step by step:</em></u></h3>
We know that 15 < 21 then  -15 > -21
 
        
        
        
Answer:
-21
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
-3.74
Step-by-step explanation:
 
        
             
        
        
        
Negative times negative = positive.
=0.63−(−9.85)
=0.63+9.85
=10.48
D) is the answer.