X = - 11/3
Hope that helps
        
             
        
        
        
8% sales tax is 8% of the sales price =  8% of 's'
8% of 's' = 0.08 × s = 0.08s
The total price = s + 0.08s ⇒ this is the expression
        
             
        
        
        
Answer: An is n+1 and A10 is 4 
Step-by-step explanation:
The question is very vague and hard to answer. so A1 is -5, count up by 1 ten times, including -5, so -5, -4, ..., 3, 4. An is a just the way it changes, so it adds by one every time.
Hope this helps, it is a very vague question tho.
 
        
                    
             
        
        
        
Answer: 25 
Step-by-step explanation:
There are two variables which is u and v and is given that u is 3 and v is 7  so input that into the expression and solve. 
2(3)^2 + 7      Solve the exponent first 
2(9) + 7      Now multiply then add 
18 + 7 = 25