I need help with this physics question help please and fast?!!?!?!?

[Leo34005]

1. The problem statement, all variables and given/known data
http://i214.photobucket.com/albums/cc4/twinkie34005/untitled-10.jpg

http://i214.photobucket.com/albums/cc4/twinkie34005/untitled-11.jpg




What are the answers for 3 and 4b?
1. The problem statement, all variables and given/known data



2. Relevant equations



3. The attempt at a solution

[qsa]

d = -(1/2)g*t^2

plug d solve for solve for t
v = - g*(squareroot(2(d/g)))

plug d solve for v