great thanks
the answer is 0 rember it is exactly like subtacting every time you add a number
yes by both, you can add something bigger than 7 like 14 or you subtract negative 14
the answer is 4
D.idk
99.5833333333333333
remeber that any thing that involed -1 (multiplying or dividing) will make the number negitive. so the answer is -2.2
Fat*3
it comes up as error or if you do it in your head it would be 0