Answer: 16 students receive passing grades out of those 16 , 11 Students receive perfect math & 8 perfect spelling 
 8 is you answer
Draw 16 circles that would rep the students 
Count up to 11 with 1 mark in each bubble that would rep the perfect math 
Then count 8 and put 1 Mark in the Bubble and you'll see that 8 Students Received 2 Awards 
Step-by-step explanation:
 
        
             
        
        
        
Answer:
A)
Step-by-step explanation:
 
        
             
        
        
        
You can just manually add 6 until you come across 324.  So the answer is 12 terms.
You can also use this formula:
Sum = n/2 * (2a + (n-1)d)
and solve for n.
(n = number of terms, a = starting term, d = common difference)