Yo, can someone help me?? ill give to anyone who gets it right (no links)

In a market economy, what does a producer mean when it asks, "is there a market for my products? is there a place where we can sell our products? " "ls our product being made more cheaply overseas? " will consumers need and want to buy our products? " will the government support demand for our products? "

What contributions did muslims make to astronomey

True or false: the eastern roman empire lasted for 1,000 years longer than the western roman empire.