Can y’all help me on question 5?!

During your cycling trip, you and your friends often stayed in hostels. the prices of these are listed below. hostel standard room (price per night) with breakfast (price per night) super sleep hostels £22.45 £28.65 normandy nights £18.55 £25 zzzola hostels £24.50 £30.99 belgian beds £11.20 £18.55 night-time rest days ? £33 what is the range in cost for a single night, including both standard room prices and with breakfast prices?

What is the slope of any line parallel to the line 8x+9y=3 in the standard (x,y) coordinate plane?

Sole the equation 6n + 9 = -3n - 21 - 6 for n