Solve the problem.Find the dimensions that produce the maximum floor area for a one-story house that is rectangular in shape and has a perimeter of 
A. 81 ft x 81 ft
B. 13.5 ft x 40.5 ft
C. 40.5 ft x 40.5 ft
D. 40.5 ft x 162 ft
Answer: C
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Subtract.(-2x7 + 2x9 - 4 + 2x8) - (-2 - 4x8 + 4x9 - 6x7)
A. -2x9 - 2x8 - 8x7 - 6 B. 6x9 - 2x8 - 8x7 - 6 C. -2x9 + 6x8 + 4x7 - 2 D. 6x9 - 2x8 - 8x7 - 2
Find the surface area or volume.The region between the curve y = sinx, 0 ? x ? 1.2, and the x-axis is revolved about the x-axis to generate a solid. Use a table of integrals to find, to two decimal places, the volume of the solid generated.
A. 1.38 B. 1.43 C. 1.35 D. 1.29
Solve the problem.Haverty's Furniture owns a building with a replacement cost of $590,000 which is insured for $371,700 with an 80% coinsurance clause. The building has a fire loss of $20,500. How much will the insurance company pay?
A. $12,915 B. $20,500 C. $19,373 D. $16,144
Solve.An electronics manufacturer's revenue R for selling x mobile phones is given by 
A competing electronics manufacturer's revenue for selling a similar mobile phone is 
Under what circumstances will both manufacturers make the same revenue?
A. They will make the same revenue if they sell 880 phones. B. They will make the same revenue if they sell 0 or 880 phones. C. They will make the same revenue if they sell 0 or 220 phones. D. They will never make the same revenue.