Answer: x=14
Step-by-step explanation:
The angles in a triangle are equal to 180 so
6x + 3 + 5x + x + 9 = 180
12x + 12 = 180
       -12     -12
12x = 168
x = 14
 
        
             
        
        
        
To find sales tax on something, multiply the percent of the tax by the price of the item.
        
                    
             
        
        
        
Well you know that the amount of boys that voted for Danny has to be 123 - 55, so you do that and get 68, then the ratio of girls to boys is 55:68, and that can't be simplified anymore because 55 has factors of only 1, 55, 11, and 5, and that doesn't get you anywhere.
        
                    
             
        
        
        
Answer:
4
Step-by-step explanation:
Order of operations multiplication then subtraction so 5*6=30
34-30=4
 
        
             
        
        
        
Answer:
x = 10
<u></u>
Step-by-step explanation:
2x - 4 = 16             try to get x on the left side, and the integers on the right
You then get: 
2x = 20
Now, divide by 2 on both sides
2x/2 = 20/2
<u>x = 10</u>