1
1-(-3) = 4 ( a minis and a negative together is a addition problem)
2
-9 - 2 = -11
3
-9 - 5 = -14
4
-64 +83 = 19
5
B would be the answer
<span>To divide one fraction by another, invert (turn upside-down) the second fraction, then multiply.</span>
Christy would have to work 50 hours to pay off her holiday debt. It would be 10 dollars overtime too if you thought about it.