Answer: C (24.5 miles more)
Step-by-step explanation:
on Friday she rode 42.4 miles
on Tuesday she rode 17.9 miles
you just subtract Tuesday’s miles from Friday’s miles
42.4 - 17.9 = 24.5
so, C
 
        
             
        
        
        
And angle is formed by the union of two vertices or corners. 
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8/100- 8 over 100. It is over a hundred because there are 2 values after the decimal point. 
        
                    
             
        
        
        
G - 24 = 75
g = 75 + 24
g = 99
Final answer g = 99