Answer:
<u> </u><u>N</u><u>e</u><u>g</u><u>a</u><u>t</u><u>i</u><u>v</u><u>e</u><u> </u><u>rational</u><u> </u><u>number</u><u> </u> :
<u> </u><u>Positive</u><u> </u><u>rational</u><u> </u><u>numbers</u><u> </u> :
None
10 x 5 = 50
4 x 7 = 28
3 x 4 = 12 12/2=6
50+28+6= 84 square inches
15 is translation because all your doing is sliding it down