3x^2+7y^2-14x-98=0 an ellipse yo standard form explain

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?

Explain how you do each step what term makes it inconsistent y=2x - 4 ?

How to solve a simultaneous equation involved with fractions?