To practice catching the little league team uses a baseball throwing machine. The pathway of the ball from the machine ca be represented by the equation h=-16t^2+48t+4 (where t is the time in seconds and h is the height in feet). a) When does the baseball reach its maximum height?
b)What is the maximum height of the baseball?
c)How long is the baseball in the air before it lands on the ground?

Best answer that i found on yahoo ok   set :   x= length of 2nd piece in cm  x- 3= length of 1st piece in cm  x-4= length of 3rd piece in cm  then since you know they all came from the 20 cm ribbon you add them together and set them equal to 20x+ x-3 +x-4 = 20  3x - 7= 20  3x= 27  x= 9  the shortest piece is the third piece which is x- 4  x-4  9-4 = 5  the length of the smallest piece is 5 cm.  the other lengths are  9 cm  6 cm