Atrunk is dragged 3 m across an attic floor by a force of 2 n. the work done on the trunk is joules. assuming the floor to be level, the gain in potential energy is joules.
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Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Anature center offer 2 guided walks. the morning walk is 2/3 miles. the evening walk is 3/6 mile. which is shorter