Answer:
n - 10
Step-by-step explanation:
 
        
                    
             
        
        
        
Grade 7 : Yes = 2 , No = 3
Grade 8 : Yes = 1 , No = 4
        
             
        
        
        
Answer:
(9-27)+9
=-18+9
<em><u>=-9</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>answer</u></em>
 
        
             
        
        
        
Answer:
1/3
Step-by-step explanation:
Probability of solving ten problems by Carl
Given 
Total number of problems = 20
Number of problems studied by Carl = 15
Number of problems out of the 20 set of problem coming in test is 10
Case I - All ten problems come from the set of known 15 question
10/15 * 10/20 = 1/3
 
        
             
        
        
        
The perimeter is 38.4 inches