If angle 2 measures 155 degrees in the image below, what is the measurement of angle 1?
x

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 radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

How can constraints be used to model a real-world situation?