The sample covariance may never be negative

Which actions of an escrow would be improper?

A. Accepting fees from both buyer and seller B. Refusing to pay a commission for referral to the escrow C. Refusing to handle an escrow D. Accepting escrow instructions with blanks to be filled in by the escrow after the instructions are signed

What should be done before responding to comments made on social media sites?

A) Use an automated reputation analysis to better gauge consumer reaction. B) Respond based on a predetermined public relations plan. C) Evaluate the source, the tone and the content, and then choose a response that fits. D) Use anonymous responses to counteract the negative information, and then post a company response that supports the anonymous response. E) Contact the writer privately to determine the real source of discontent, and then post an appropriate response.