Answer:
15/17
Step-by-step explanation:
You can calculate cosine by doing adjacent / hypotenuse so cos x° = 15/17.
 
        
             
        
        
        
2 times 3 equals 6.and 4 times6 equals 24.and 8 times 12 equals 96 add them all together and you will get 126 
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Answer:
5n+8
4 times the quantity of a number and six
Step-by-step explanation:
8 more than 5 times a number
more than comes after
5 time a number
5n
8 more than
5n+8
4(n + 6)
4 times the quantity of a number and six
 
        
             
        
        
        
Answer:c 
Step-by-step explanation:82+78+81+89+79+92+87=588
And 588/7 =84