Answer:
7.2
Step-by-step explanation:
the original is 40 and discount is 28% so $40-28%
 
        
                    
             
        
        
        
Answer:
24
Step-by-step explanation:
If you use Pascal's triangle, which I did, you will look at the 5th row of the triangle which contains the numbers 1, 4, 6, 4, 1
If we expand using a = 2x and b = -1, then the expansion looks like this:

If you simplify all that down by multiplying, you'll get

If you don't know how to use Pascal's triangle, you need to learn.  It's so very cool!
 
        
             
        
        
        
Answer:
1 Adult ticket=$35
1 Children ticket=$20
Step-by-step explanation:
21C+15A=945
6C+6A=330
we find adult tickets 1st 
42C+30A=1890
42C+42A=2310
12A=420
A=35
we will find children ticket next
42c+30a=1890
30c+30a=1650
12c=240
C=20
 
        
             
        
        
        
A trapezoid falls under the definition.
Hope it helped!
~JustastudentXD
        
             
        
        
        
Answer:
Step-by-step explanation: