Data on the weekly sales of room air conditioning units were matched with the average temperature and calculations produced sample correlation coefficients, r, in the range of −0.75 and −0.83. Which of the following statements best expresses a conclusion that can be drawn from the values of r?

The gilbert instrument corporation is considering replacing the wood steamer it currently uses to shape guitar sides. the steamer has 6 years of remaining life. if kept,the steamer will have depreciaiton expenses of $650 for five years and $325 for the sixthyear. its current book value is $3,575, and it can be sold on an internet auction site for$4,150 at this time. if the old steamer is not replaced, it can be sold for $800 at the endof its useful life. gilbert is considering purchasing the side steamer 3000, a higher-end steamer, whichcosts $12,000 and has an estimated useful life of 6 years with an estimated salvage value of$1,500. this steamer falls into the macrs 5-year class, so the applicable depreciationrates are 20.00%, 32.00%, 19.20%, 11.52%, 11.52%, and 5.76%. the new steamer is fasterand allows for an output expansion, so sales would rise by $2,000 per year; the newmachine's much greater efficiency would reduce operating expenses by $1,900 per year.to support the greater sales, the new machine would require that inventories increase by$2,900, but accounts payable would simultaneously increase by $700. gilbert's marginalfederal-plus-state tax rate is 40%, and its wacc is 15%.a. should it replace the old steamer? b. npv of replace = $2,083.51

Which of the following describes a situation of scarcity? a. someone offers free advice about getting into college. b. someone distributes free bottles of water at the beach. c. a child charges friends for a ride on his new bike. d. a person lets the kids in the neighborhood use his pool.

The director of the federal trade commission (ftc) bureau of consumer protection warned that the agency would bring enforcement action against small businesses that select one: a. failed to inform the public about network failures in a timely manner b. failed to transmit sensitive data c. did not report security breaches to law enforcement d. lacked adequate policies and procedures to protect consumer data.