Find the length of side x in simplest radical form with a rational denominator

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

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.

In the geometric progression –3, 12, −48… what term is 3,072?