PreCalc Multiple choice and Word problem(really need help on this)?

hey!

New member
Multiple choice #'s

#4
#12
#14

Word problems (step-by-step) Please

#19
#22
#25
#23


This isn't a test even though it says it is!! These are the links at the bottom


http://i168.photobucket.com/albums/u191/tazahmed/IDK/IMG00255-20100517-1441.jpg

http://i168.photobucket.com/albums/u191/tazahmed/IDK/IMG00256-20100517-1441.jpg

http://i168.photobucket.com/albums/u191/tazahmed/IDK/IMG00253-20100517-1440.jpg

http://i168.photobucket.com/albums/u191/tazahmed/IDK/IMG00254-20100517-1440.jpg

Please I need serious help on these!!! For multiple choice I don't need explanation just A B C or D. I'll be able to figure out the explanatin myself then.
 
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