Answer:
70 
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
The answer is d. 
 
        
                    
             
        
        
        
Answer:
A/15=5
so multiply 15*5
you would get 75
therefore a=75
Step-by-step explanation:
 
        
                    
             
        
        
        
I hope this helps you 
1.k^2+5k-6=0
a=1
b=5
c= -6
disctirminant =b^2-4ac
disctirminant =5^2-4.1. (-6)
disctirminant =49
x1= -(5)+ square root of 49/2.1
x1=-5+7/2
x1=1
x2= -5- square root of 49/2.1
x2= -5-7/2
x2= -6
        
             
        
        
        
Area = πr² = π(8)² = 201.06 in²
Answer: 201.06 in²