The cheerleading squad is making posters. they have 3 different colors of poster board and 4 different colors of markers. how many different posters can be made by using one poster board and one marker? plus how do you work it out

In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w

If you shift the linear parent function, f(x)=x, up 13 units, what is the equation of the new function?

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