HELPP PLEASE 12 POINTS !!

Which sentence can represent the inequality ?

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.

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base