Answer:
Is the answer, if you want it simplified then, 
Step-by-step explanation:
Answer:
the answer is b, 12
Step-by-step explanation:
16-4=12
4 : 28 is the same as 4/28
4/28 = 1/7
The answer is C
Answer:
the shape is similar with yours and the friend
2 shapes=30min
3 shapes=x min
30 x 3 / 2=45 min
Step-by-step explanation:
i think good luck! i'm not sure