Why doesn't an elephant smoke? its the bottom columns i need help with i just need like the words.

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?

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?