Acontractor charges $209 to carpet a 90-square-foot room and $289 to carpet a 140-square-foot room. the contractor charged a customer $553 to carpet a room under this same pricing plan. what was the area of the room that was carpeted?

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?

The system of equations graphed below has how many solutions?

Jada has a monthly budget for her cell phone bill. last month she spent 120% of her budget, and the bill was 60$. what is jada’s monthly budget