Can u pls tell me the answer and how to solve it I need it ASAP thx!

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)

Write the equations in logarithmic form 7^3=343

Which point-slope form equation represents a line that passes through (3,-2) with a slope of -4/5