A pitcher throws a 0.145-kg baseball at a velocity of 30.0 m/s. How much
kinetic energy does the ball have?

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 is the solution to the division problem below x3+x2-11x+4/x+4

Tell whether the two rates form a proportion