I will give you the points to give me a brainliest ( I need it to level up pls)

Ineed me i stuck and i don’t want to get it wrong

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

Pamela has a 30-year, 5.75% mortgage on her $250,000 home. she has been paying on it for 5 years, and has recently hit some financial trouble. if her lender agreed to lower the interest rate on her $231,905.47 balance to 5.5%, what will her new payment be for the remainder of the loan?