Liner = a×b=c so it is linear
Answer:

Step-by-step explanation:
![\frac{x^{3} }{\sqrt[6]{x}}](https://tex.z-dn.net/?f=%5Cfrac%7Bx%5E%7B3%7D%20%7D%7B%5Csqrt%5B6%5D%7Bx%7D%7D)


247- 538 = -291
If you line them up in that order 247 you'll have to borrow. Your answer would be -291
-538
The only way to not get -291 is to flip the two numbers.
B is the answer, because the half of the balls added
25 mg is lighter than 25 cg because mg is 0.001 g and cg is 0.01 g :)