Answer:
-27
Step-by-step explanation:
a = 7 and c = -4
- a + 5 c
- ( 7 ) + 5 ( - 4 )
- 7 - 20
- 27
 
        
             
        
        
        
The answer is <span>20.3896551724</span>
        
                    
             
        
        
        
Answer:
its 706.5 
Step-by-step explanation:
do pi r^2 
pi is 3.14
radius is 15
15 times 15 times 3.15 is 706.5
hope this helps
 
        
                    
             
        
        
        
Step-by-step explanation:
by deleting 
9y = -9 
y = -1
6x - 4 = -10
6x = -6 then x = -1 
 
        
             
        
        
        
Answer:
Below in bold.
Step-by-step explanation:
Area of a kite = 1/2 * D1 * D2   were D1 and D2 are the 2 diagonals
D1  = 5 + 2.5 = 7.5 and D2 = 2*44444.5 = 9
So area = 1/2 * 7.5 * 9
= 33.75.