Please help I don’t know this and I’m sick

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

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

Which of the functions graphed below has a removable discontinuity?