[ 7 + 0.25 ( -2/3 • -15)] -1/2

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)

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b