For problems 8 and 9, find the length of the missing side of each right triangle. Round your answers to the nearest tenth, if necessary. 7 in. & 2 in. find the missing side.

7x+8y=-18, 4x-9y=-3 solve the system of equations

You can find the constant of proportionality by finding the ratio of

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)