Hi there.
If you want to find out the total, just multiply the rate per hour ($32.50) by the time (15 hours)
32.5 · 15 = $487.50
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Answer:
If its all together then its 7/8
 
        
             
        
        
        
Tbh I’m not sure 
I think it’s D-y=5(x - 5)2 - 3
I’m sorry if this is wrong
        
             
        
        
        
Answer:
(2,21)
Step-by-step explanation:
y = 10.5x
plug 2 for x  in the equation 
y = 10.5(2)
then multiply 2 by 10.5
y=21