How can I ensure the accuracy of my homework before submitting it?

[btden182]

I am a student and I have presented a homework assignment due next monday. It meets every monday and I want to make sure I know the answers and have done it right before I go back monday. I have attached my homework (don't worry if I submit it as is I won't get any credit), can you guys give me as much as you want to so that I can double check. I got 25.5 for the first one I'm pretty sure that's right.

 

[Hootenanny]

Welcome to Physics Forums.

That's not the way it works here. How about you show us what you've done and we'll have a look over it for you?