$38x0.15= 5.70
$38.00+$5.70=$43.70 is the total bill
        
             
        
        
        
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Answer: At most 9  attendees can be there.
Step-by-step explanation:
Given equation:<em> d = 8a</em> , where <em>a</em> represents the number of attendees, and the variable <em>d </em>represents the cost in dollars. 
To find : the number of attendees, if Will budgets a total of $72 for his graduation picnic.
72=8a
⇒ 9 = a  [divide both sides by 8]
∴ a= 9
Hence, at most 9  attendees can be there.
 
        
             
        
        
        
Answer:
The slope is m=2
Step-by-step explanation:
7 - 3 = 4 in y
2 - 0 in x
4/2
Simplify
2/1 or 2