A machine that cost $121,000 has an estimated residual value of $11,000 and an estimated useful life of 11,000 machine hours. The company uses units-of-production depreciation and ran the machine 3,000 hours in year 1, 2,000 hours in year 2, and 3,000 hours in year 3. Calculate its book value at the end of year 3. (Do not round intermediate calculations.)

Alarge tank is filled to capacity with 500 gallons of pure water. brine containing 2 pounds of salt per gallon is pumped into the tank at a rate of 5 gal/min. the well-mixed solution is pumped out at the same rate. find the number a(t) of pounds of salt in the tank at time t.

Which of the following best describes the advantage of living in a suburban area? a. suburbs give people access to city jobs along with more living space. b. suburbs give people easy access to cultural attractions and high-paying jobs. c. suburbs have the widest availability of low-cost housing of any living area. d. suburbs have the lowest population density of any living area.

Ben is the owner of a small organization with a few employees. he plans to have a data warehouse for the limited number of users in his organization. which data warehouse is most suited for ben's organization? o a. lan-based o b. stationary o c. distributed od. virtual