Determine the value of X for the equation below then type anser is space below.
21-x=15; X= ?

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 values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

The area of square garden is 300m squared. how long is the diagonal?