Simplify
(45x6y%) = (5x4y2

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

What is the absolute value of the complex number -4-sqrt2i

Can someone me with this? i’m not sure what to put for my equations.