Answer:
C
Step-by-step explanation:
The formula for the area of a trapezoid is:  (height)(sum of parallel lines)
 (height)(sum of parallel lines)  
Thus, the formula in this question would be:  (4)(4+8) which is option C
 (4)(4+8) which is option C 
 
        
             
        
        
        
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Yes these r similar! 
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5 red, 3 blue, 7 white.....total of 15
probability of 1st drawn being red : 5/15 reduces to 1/3
without replacement
probability of 2nd being red : 4/14 reduces to 2/7
probability of both : 1/3 * 2/7 = 2/21 <==
        
             
        
        
        
Answer:

Step-by-step explanation:

Add 6 to both sides:


Divide both sides by -3:


Subtract 4 from both sides:


Divide both sides by 2:

