Find the inverse function of y=-2/7+5

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 square root x = -7, then x= -49 true or false

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?