Answer:
7x65 is 455 
Step-by-step explanation:
I need more info if this does not workout...
 
        
                    
             
        
        
        
Answer:
3.183.10^7
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:  $13,475
<u>Step-by-step explanation:</u>
1st hour:  350 people bought tickets --> 350 × $17.50 = $6,125
2nd hour: 350(1.2) people bought tickets --> 350(1.2) × 17.50 = $7350
Total amount = 1st hour + 2nd hour
                       = $6,125 + $7,350
                       = $13,475
 
        
             
        
        
        
In polar coordinates, the region  is the set of points
 is the set of points

and we have  and
 and  . So the integral, converted to polar, is
. So the integral, converted to polar, is

Substitute  to get
 to get
