This in what I got:
(-7i)(10i)
-70i
        
             
        
        
        
Answer:
False
True
True
(its what i think
Step-by-step explanation:
 
        
                    
             
        
        
        
13 1/4 is the answer 
9 7/8 + 3 3/8
12 10/8
13 2/8
13 1/4 (simplified)
        
                    
             
        
        
        
A) Gigabytes = x
B) 35+5x = 25+10x
 10 = 5x
 2 = x
C) After 2 gigabytes, the wireless services will cost the same ($45)
        
             
        
        
        
Start at 4 and since it a negative go down one and over one