At a closed landfill, trash is decaying at a rate of 50% every 15 years. Which type of function best models the amount of trash that is remaining after x years?

The volume of a cube is 8 in to the 3rd power. how long is each side?

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)

Three people are traveling and need to exchange the currency of their native country for the currency of the country they are visiting. drag each exchange to the category that shows the ratio of currencies in that exchange.