He works 20 hours per week. in his first week. in his first week

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

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

Select the two pairs of figures that are similar.