2-21x+28
-21x +3
Hope it helps
Answer:
Option B is the correct answer
Step-by-step explanation:
Hope it helps you in your learning process.






Answer:
3 centimeters
Step-by-step explanation:
given ratio is
18 km : 1 cm
Now if km is multiplied by 3, the cm should also be multiplied by 3.
=> 18 x 3 : 1 x 3
=> 54 km : 3 cm