$76.80 minus 12 1/2 is $64.30.
        
             
        
        
        
Answer: A reelection across the Y axis, then a reflection across the X axis. 
Step-by-step explanation:
 
        
                    
             
        
        
        
Step-by-step explanation:
they forget the last step which is to take the square root of the sum
7) a = 4
b = 17
a² + b² = c²
4²+ 17² = c²
16 + 289 = c²
305 = c²
√305 = c
17.464249196572980 = C
 
        
             
        
        
        
54+x=12+3x
X=21 =number of classes
Total amount she will pay is $75
        
             
        
        
        
Answer:
The answer to your question is : B = 5007
Step-by-step explanation:
Formula 
                B = 1001.32t
t = 5 hours, 
Then 
              B = 1001.32 (5)
             B = 5006.6 ≈ 5007