Answer:
C)
Step-by-step explanation:
5.47 = 5.5
0.723 = 0.7
23.409 = 23.4
5.89 = 5.9
 
        
             
        
        
        
Π*√9
π*3
3π                π ≈ 3.1416
3*3.1416
≈ 9.4248
Hope this explains it.
        
             
        
        
        
Answer:
31x³-60x²+7x-75
Step-by-step explanation:
(30x³-49x³+7x)+(50x³-60x²-75)
(-19x³+7x)+(50x³-60x²-75)
-19x³+50x³+7x-60x²-75
31x³-60x²+7x-75
 
        
             
        
        
        
Answer:
1
Step-by-step explanation:
3-1=2
2-1=1
1-1=0
From this we can see that the constant rate of change is 1.
Hope it helps <3