Find absolute max and min on a given interval calculator

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?

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute

Solve for x where 0 equation: cot^2x+2cotx+1=0