What is the scale factor from triangle ABC to triangle DEF with point p as your center of dilation

Idont understand math at all! : o( use this scenario to answer the remaining questions: brenton purchased a new bedroom set for $4,500.00. he lives in arizona and pays a 8.75% sales tax. if he made a 50% down payment and financed the rest, what amount did he finance? what is the total sales tax brenton will pay? enter your answer in currency format, round to the nearest cent. what was brenton's total amount financed? enter your answer in currency format, round to the nearest cent.

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents

Find the root(s) of f (x) = (x- 6)2(x + 2)2.