How do you graph the equation and equality of y= 4/3

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

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

How can you construct perpendicular lines and prove theorems about perpendicular lines