Easy there on the caps, partner.
The nine, using the distributive property, distributes itself across the brackets, and so 9 times t is 9t and 9 times -1 is -9. 
Therefore, 9(t-1) = 9t -9
        
             
        
        
        
ANSWER:
$18.90
EXPLANATION:
3L of fuel for every 100km
450km = 13.5L
13.5 x 1.40 = $18.90
        
             
        
        
        
30/3=10
10*2=20
the volume of the smaller figure is 20 cubic cm
        
             
        
        
        
Answer:
51m
Step-by-step explanation:
-Paul is 6ft, and has a 10ft shadow. The pole has a 85ft shadow:
-Using ratios:

Let h be the height of the flagpole:

Hence, the height of the pole is 51m