Answer:
x=- (square root sign) 10  x=(square root sign) 10
Step-by-step explanation:
 
        
                    
             
        
        
        
Step-by-step explanation:
Since X is given to you (in this case, it’s 7), all you have to do is plug it into the equation. 
1. -2(7) + 10
When a variable or a number is directly outside a number, it means you should multiply the two numbers, no matter what. 
Now that we know this: -2 * 7 = (-14) When a negative is multiplied by a positive, it turns out negative. 
2. (-14) + 10: Let’s say (for instance), that I owe 14 dollars to a friend. If I pay 10 of it, how much do I owe my friend? It would be -4 because you’re still in debt, and haven’t payed your friend all of her 14 dollars back. 
3. You should come up with an answer of (-4) because of all of the steps given.
If something doesn’t make sense, please make a note of it and tell me. Otherwise, have a splendid day. 
 
        
                    
             
        
        
        
Answer:
28.4 divided by 6.5
Step-by-step explanation:
 
        
             
        
        
        
Answer:
A. 10%
Step-by-step explanation:
First calculate how much percentage is in one dollar, which is 5% per dollar, then times that by how much money is deducted which is $2, and you will get your answer 10%. 
Hope this helps good luck!
 
        
             
        
        
        
Answer:
C. :)
Hope it helps
Step-by-step explanation: