Hello!
1 cubic centimeter = 0.001 liter
105 cubic centimeters = 0.001 × 105
0.001 × 105 = 0.105
Answer ⇒ 0.105 L
Hope this helps! :)
Answer:
It would be 20
Step-by-step explanation:
As we can see, the sequence starts from 5 and increases by three each time. In fact, one possible formula for that sequence could be:

Let's confirm the formula by evaluating the first 6 terms:

Then the original price was $42
Because it is half off we multiply 21 by 2 and get 42.
You would take the square root of x^2 and of 121 so x =11