When a number is decreased by 19% the result is 66 what is the original number to

the nearest tenth percent

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?

How are algebraic expressions evaluated using substitution?

Def rotates 90 clockwise about point a to create d’ e’ f’. therefore, which equation must be true ?