What is the solution to -2(8x - 4) < 2x + 5?

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)

The tile along the edge of a triangular community pool needs to be replaced? ?

If the square of a positive integer is added to 2 times the integer the result is 48. find the integer.