Can someone please give me the (Answers) to this? ... please ...

An energy plant is looking into putting in a system to remove harmful pollutants from its emissions going into earth's atmosphere. the cost of removing the pollutants can be modeled using the function c = 25000p/100 -p what is the vertical asymptote?

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²

Math i have no idea how to do a and b