Answer:
ugh'
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:90
Step-by-step explanation:
the angle is perpendicular
 
        
                    
             
        
        
        
Answer:
632.4
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
y=81x^4+648x^3+1944x^2+2592x+1289
Step-by-step explanation:
1. Interchange x and y.
- y=\frac{\sqrt[4]{x+7}}{3}-2
- x=\frac{\sqrt[4]{y+7}}{3}-2
2. Then solve x=\frac{\sqrt[4]{y+7}}{3}-2 for y.
3. y=81x^4+648x^3+1944x^2+2592x+1289
I hope this helps.
 
        
             
        
        
        
Answer:
Each shirt costs 10$ cause there is a 10 $ difference between the two brothers and the only thing the older brother didn't buy was another shirt.
Have a great day. Brainliest always helps!!!