The answer for this problem is a,c, and d
Hi!
When you add a negative number, you really just subtract it. So let's solve this.
Convert the mixed numbers into improper fractions.

Solve
434 - 351 = 83

The sign of this fraction is positive
Hope this helps! :)
-Peredhel
2 times 108 is 216
3 times 72 is 216
4 times 54 is 216
6 times 36 is 216
Just a guess but I think it is 0.43. By dividing the decimal 0.02 into the Denominator