The radius of the outdoor fire pit is 3 feet its costs $3.20 per square foot to fill the fire pit with stone how much will it cost to fill the fire pit with stone

Which one is true about the hexagons ?

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year

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)