Jason bought x bags of cherries for $4 a bag. He paid with $40. What was his change

In the construction of new housing development, which factor of production can be categorized as land?

What is the border between layers a through f and layer g called?

Which events occurred during the space race? check all that apply. (a) nasa was established. (b) yuri gagarin orbited earth. (c) the soviet union launched salyut. (d) the united states launched skylab. (e) the united states launched explorer 1.