The answer is c because left side of number line is negative
I hope this helps you
2s-4s=-2s
6 Points is my guess, there is a 50, 50 chance that he will get it, 50% of 4 is 2, two times 5 is 10, - (2*2) 4= 6 points
It makes the addition easier if you combine like terms like the two 1/2s and then make them all have the denominator of 12 (changing the numerators to equal it out)