Answer:
63 degrees
Step-by-step explanation:
180 = 117 = 63
 
        
                    
             
        
        
        
Step-by-step explanation:
4x+5y=4 (equation 1)
2x-y=9 (equation2)
solving equation 1 and 2 and multiplying equation 2 by 2
4x+5y=4
4x-2y=18
- + - 
________
7y= -14
y= -2
putting the value of y in equation 2
2x-y=9
2x+2=9
2x=7
x=3.5
 
        
                    
             
        
        
        
80,000,000+9,000,000+100,000+70,000+300+20+6
 
        
                    
             
        
        
        
7.4 is your final answer, hope that help, one decimal place is the first number after the decimal.