Can someone check this if it’s not right me

The difference of 2 numbers is 21 and the quotient of the equation is 4 then what are the two numbers?

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?

Select all the statements that apply to this figure