Projectile Motion Problems

[nummytreat05]

I need to learn how to do projectile motion properly before tomorrow's quiz and we got this worksheet.. with all these problems on this worksheet found on http://modeling.asu.edu/Modeling-pub/Mechanics_curriculum/6-2D%20comb/06_U6%20ws%203.pdf okay well can you help get me started or show me how you would come up w/ answers with the correct amount of sig figs... please i really need all the help i can get... thanks!!

[nummytreat05]

well i figured out that the plane was flying 40m/s when the bottle was released.. still working on the other problems.. okay please help... especially with the challenge problems:)