What is the sum if u add (-6) and (+9)?
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The appalachian trail is a hiking trail that passes through the appalachian mountains. three members of a teen hiking group hiked a section of the trail. the hikers stopped at a rest area and equally shared 3 4 gallon of water. how much water did each person get?

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq

If the scale factor between two circles is 2x/5y what is the ratio of their areas?