The role of the president has evolved over time becausea. the needs of the nation have changed. b. the role of the executive branch has changed. c. the role of congress has changed. d. the needs of the chief of staff have changed.

Hurry ! between 1900 and 2010, how did the world’s population change? a. it increased from about 1.5 billion to almost 7 billion. b. it decreased from about 7 billion to about 1 billion. c. it increased from about 5 billion to about 7 billion. d. it decreased from about 7 billion to about 1.5 billion.

Alarge increase in gas prices creates a demand for cars with good gas milage. it takes months for car companies to make these cars. how do you describe this market for cars

At what age must a person begin receiving their roth 401(k) payments?