When i try to contact admins, it keeps saying, "we're sorry, but your request could not be submitted." how can i contact an admin then?

Any point on a country's production possibilities frontier represents a combination of two goods that an economy:

Stocks a, b, and c are similar in some respects: each has an expected return of 10% and a standard deviation of 25%. stocks a and b have returns that are independent of one another; i. e., their correlation coefficient, r, equals zero. stocks a and c have returns that are negatively correlated with one another; i. e., r is less than 0. portfolio ab is a portfolio with half of its money invested in stock a and half in stock b. portfolio ac is a portfolio with half of its money invested in stock a and half invested in stock c. which of the following statements is correct? a. portfolio ab has a standard deviation that is greater than 25%.b. portfolio ac has an expected return that is less than 10%.c. portfolio ac has a standard deviation that is less than 25%.d. portfolio ab has a standard deviation that is equal to 25%.e. portfolio ac has an expected return that is greater than 25%.

Susan is a 5th grade teacher and loves getting up every day and going to work to teach her students. this is an example of a. extrinsic value b. interests c. intrinsic value d. external value