Thread: need help with a algebra pre quiz

i have a pre test/quiz to determin what class i am in next year and i want to get into one of the good classes but the only way is for me to get >70% (16.5) on it or somewhere close to that but the only problem is i cant seem to put it all down on pen and paper it seems that i can do the mathematics in my head but have trouble writing it down so can i ask of you guys if you can help me get some of these questions i need this done asap or in the next 8 hours from this post would be nice thank you so much

Many seem to be of type: explain what you think...
no one here is YOU; good luck.