Answer:
It's b. %99.7
Step-by-step explanation:
Just did it on A P E X
 
        
                    
             
        
        
        
Answer:
x = -1 and y = 6
Step-by-step explanation:
using x = -b/2a
x = -4 / 2(2)
x = -1
y = 2(-1)² + 4(-1) + 8
y = 2 - 4 + 8
y = 10 - 4
y = 6
 
        
             
        
        
        
The sum of their age is "s" years? Please fix the typo. Then I might be able to help :D
        
                    
             
        
        
        
Answer:
...
Step-by-step explanation: