Answer:
The first question would be B) 1 1/2 cm because it you take the 3cm and the 2m and divide it in half that's what you get\
The second question would be C) 3 1/2 inches. This is because you take 252 and divide it by 18 and you get 14. Then you multiply 14 by 1/4 and you get 3 1/2