A construction company has built 25 houses so far this year at a total cost to the company of $7.2 million. If the company builds a 26th house, its total cost will increase to $7.5 million. Which of the following statements is correct?

Email viruses are typically launched by people who modify header information to hide their identity. brightmail's enrique salem says that in the future, your email reader will authenticate the sender before putting hte message in your inbox. that way, you will know the source of all the emails you read. alan nugent of novell says, "i'm kind of a fan of eliminating anonymity if that is the price for security." will eliminating anonymity make computers more secure?

3. describe the purpose of the sec. (1-4 sentences. 2.0 points)

Afood worker has just rinsed a dish after cleaning it.what should he do next?