A poster board was cut into equal pieces, and 3 pieces were used for drawings. The fraction below shows how much of the poster board is left.
According to the fraction, how many pieces were not used for drawings?
8/11

A. 11
B. 8
C. 3
D. 5

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?

Simplify the expression. -2/5(10+15m-20n)

Determine if the equation defines y as a function of x: 2xy = 1. yes o no