Will give brainliest
zelda’s day consists of checking her e-mail, holding meetings, and organizing and reviewing text. which arts, a/v technology, and communication career pathway is zelda working in?
a. printing technology: a career that focuses on performing for and communicating with others
b. journalism: a career that combines technologies to make video recordings possible
c. journalism: a career that reports information to the public
d. printing technology: a career that allows people to express themselves through art

Consider a treasury bill with a rate of return of 5% and the following risky securities: security a: e(r) = .15; variance = .0400 security b: e(r) = .10; variance = .0225 security c: e(r) = .12; variance = .1000 security d: e(r) = .13; variance = .0625 the investor must develop a complete portfolio by combining the risk-free asset with one of the securities mentioned above. the security the investor should choose as part of her complete portfolio to achieve the best cal would be a. security a b. security b c. security c d. security d