Compare the subtraction problems (6
8
− 5
8
= 1
8
) and (6
9
− 7
9
= −1
9
). Why is the answer to the first
problem positive and the answer to the second problem negative? Check all that apply.
Agroup of three friends order a combo meal which includes two slices of pizza and a drink each drink is priced at $2.50 the combined total of $31.50 how much is the cost of a slice of pizza
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