Amusic streaming service provides its customers with recommendations based on their past listening behavior. this is an example of marketing:

Alocal barnes and noble bookstore ordered 80 marketing books but received 60 books. what percent of the order was missing?

The green revolution is a scientific breakthrough that improved seeds for basic crops. how did the green revolution impact the supply of basic crops such as wheat and corn? the supply of wheat and corn increased. there was no impact on the supply of basic crops. the supply of basic crops did not change, but the quantity supplied of basic crops increased. the supply of wheat and corn decreased.

Read the following paragraph, and choose the best revision for one of its sentences.dr. blake is retiring at the end of the month. there will be an unoccupied office upon his departure, and it is big in size. because every other office is occupied, we should convert dr. blake’s office into a lounge. it is absolutely essential that this issue is discussed at the next staff meeting. (a) because every other office is occupied, it’s recommended that we should convert dr. blake’s office into a lounge. (b) because every other office is filled, we should convert dr. blake’s office into a lounge.