What is the slope of the line thru (-9,6) and (-6,-9) ??

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

John checked his watch and said that it is thursday, 7 am. what will the day and time be 2006 hours plzzz i will give you 100 points