Expand and simplify
5 (4a+3b)+ 3 (a-b)

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?

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

Pls! does anybody know a shortcut for answering these types of questions in the future?