<span>B) y = -3x3
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Answer:
1.B 2.D 3.C 4.A
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
infinite
Step-by-step explanation:
 
        
             
        
        
        
The car's average rate  is 43.7 mph. The bicycle's average rate is 12.3 mph.
To get this solution, let the bicycle's average rate be (x) and the car's average rate be (x + 31.4) mph. 
Distance= Speed x Time
364 = (x + x + 31.4) 6.5
364 = (2x + 31.4) 6.5
364/6.5 = 2x + 31.4
56 = 2x + 31.4
56 - 31.4 = 2x
24.6 = 2x
24.6/2 = x
12.3 = x
x = 12.3 mph     
x+31.4 = 43.7 mph
        
             
        
        
        
Opposite angles in a parallelogram have to be equal so 
3y=66
y=22