-4x+7x-14
3x-14>-18
3x>-4
X>-4/3
        
             
        
        
        
        
Answer: 18
Step-by-step explanation:
The circumference formula is C= 2 r
r 
r being the radius, so you can just plug in.
C= 2 (9) = 18
(9) = 18
 
        
             
        
        
        
Answer:
GIVE BRAINLIEST PLZ
I DONT NEED THNX
x = -15
Step-by-step explanation:
1) Four times sum of a number and 10
4(x + 10)
2) is equal to 100 added to 8 times the number
4(x+10) = 8x + 100
x + 10 = 2x + 25
-15 = x