Six friends are going to the movies. There are just enough empty seats in a row for them to sit together. How many different ways can they arrange themselves to sit next to each other in the seats?

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

Which expression shows the sum of the polynomials with like terms grouped together

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2