Someone please help ?

What is 1/2 x (6 x 4)+3 + 2 show your work

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)

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?