A system of equations is graphed on the grid. Write the equations for the system represented in the graph.
The first equation is for the red line (negative slope).
The second equation is for the blue line (positive slope).

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)