Whats the final volume of a gas with an initial volume of 75 ml if the pressure decreases from 300 ml to 200ml

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 value of x in the diagram below?

For the equations below which statement is true ? -2x=14 6x=-42