Answer:
c
Step-by-step explanation:
Given that:

since cos (kπ) = 
Then, the  series can be expressed as:

In the sum of an alternating series, the best bound on the remainder for the approximation is related to its  term.
 term.
∴




 
        
             
        
        
        
Answer: He would earn $14
Step-by-step explanation: Since Sam had 11 games but only 9 of them were working just take 11 - 9 which = 2 then take 7 x 2 to get $14 
Hope this helps
 
        
                    
             
        
        
        
Answer:
Can you put the picture
Step-by-step explanation:
 
        
             
        
        
        
Hello there ^ _ ^ 
5m - 7 = 6m + 11 
Solve for M 
5m - 6m = 11+ 7 
-m = 18 
Divide both sides by -1
-m/-1 = 18/-1 
m = -18
Good luck!