What is the value of x in the equation 3x4y65, when y=4?

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?

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

What is the value for this expression? 2e-5