Over a period of 5 hours, the outside temperature changed by an average of –2.5 per hour. which statement correctly describes the change in the temperature from the beginning to the end of the 5 hour period

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.

This is about circle theorems. someone asap : (

Find the maximum value of p= 4x + 5y subject to the following constraints :