What is a wave? (please help this is important)

which statement best describes why a government’s actions are important in macroeconomics? check all that apply.

1 government controls industry through policy.

2 government is both a consumer and a producer.

3 government can prevent changes and challenges.

4 government can use policy to influence the economy.

5 government can accurately predict economic trends.

1 , 2 & 4 for edgenu

according to this graph, how does supply behave in the long run?

a ]output remains constant.

b ]output increases.

c ]output cannot be predicted.

d ]output decreases.

the answer is a ]   for edgenu

i got 3,4 and 5 as an answer

this can !    

- jack watson