(2x+1)(x+2) it's multiplying polynomial s

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

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

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