Is 3/12 a rational or irrational number

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?

Plot the intercepts to graph the equation

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*