Business help please!!?

I have to answer all these questions and I dont know if theyre right. If someone could help me out with some of them that would be awsome!

1.) A case study involves:
a) using large samples
b) following a rigid protocol to examine a wide range of instances
c) an in-depth, longitudinal examination of a single instance or event
d) gathering as much data as possible about as many different types of companies as possible and forming generalizations from that data
I think d

2.) Which of the following rank among the primary concerns for small businesses in the USA?
a) Insurance costs, rising energy costs, and taxes
b) Excessive governmental red-tape
c) Restrictions on free trade
d) Natural disasters
I think a
3.) Which of the following is NOT a factor in the regional success of In-N-Out Burger?
a) reputation for adhering to the notions that fast food should be made from scratch
b) reputation for adhering to the notions that fast food should be made from scratch and that the whims of the customer should be entertained.
c) reputation for being active in local communities
d) reputation for its extensive menu, including chicken sandwiches and fish sandwiches in addition to burgers.
I think a
4.) How did Google begin?
a) A Ph.D. research project at Stanford
b) The idea for Google was originally developed by the Microsoft Corporation, but was discarded due to its perceived "lack of profitability."
c) It was developed by two college drop-outs.
d) It was developed in Japan and adapted for the USA due to its success in its home country.
I think a
5.) The definition of ethics:
a) The philosophical study of persuasion.
b) The philosophical study of the nature of the universe.
c) The philosophical study of moral values and rules.
d) The philosophical study of logic.
I think c
6.) Ethics officers in business came about due to:
a) corruption and abuse scandals that afflicted the U.S. defense industry in the mid 1980s.
b) a famous memo penned by the CEO of Proctor and Gamble.
c) major business schools beginning to focus on business ethics in the mid 1980s.
d) the recent Enron scandal.
I think a
7.) Creative accounting is characterized by:
a) straightforward, yet aesthetically appealing, accounting procedure.
b) excessive complication and the use of novel ways of characterizing income, assets or liabilities.
c) a procedure unanimously agreed to be ethical.
d) its limitation to large firm and corporations.
I think a
8.) Which of the following is an example of systemic obsolescence?
a) Fashion
b) Computer Software
c) water filters that display a replacement notice after a predefined time
d) Selling VHS tapes while developing DVD players
I think d
9.) Which of the following is NOT a reason that corporations give to charities?
a) It improves company morale.
b) It increases the public opinion of a company.
c) Companies that contribute to charities are exempt from taxation.
d) It is good for the community.
I think c
10.) What is the wealthiest charitable foundation in the United States?
a) The Bill and Melinda Gates Foundation
b) Pew Charitable Trust
c) Rockefeller Foundation
d) Ford Foundation
I think c