What is the volume of each figure? Round to the nearest tenth if necessary. PLEASE HELP I WILL MARK BRAINIEST IF THE BUTTON POPS UP!

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?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

For g(x) = 5x - 3 and h(x) = [tex]\sqrt{x}[/tex], find (g · h)(4)