Which of the following requires an operating system? a. tablet computer
b. all of the above
c. laptop computer
d. smart phone
Help please

its b, all of the above.

Explanation:

i know computers :)

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