Solve the problem.A cylindrical can has a height of 5 units. The surface area of each circular end of the can is approximately 3.14r2, where r is the radius. The surface area of the wall of the can is approximately 31.4r. Find the polynomial that represents the total surface area.
A. (3.14r2 + 31.4r) sq units
B. (6.28r2 + 31.4r) sq units
C. (3.14r2 + 15.7r) sq units
D. (6.28r2 + 15.7r) sq units
Answer: B
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Solve the problem.Two forces F1 and F2 of 28.5 and 31.6 pounds, forming an angle of 86.0°, act at a point. Find the magnitude of the resultant force. Round the answer to one decimal place, if necessary.
A. 60.1 lb B. 41.1 lb C. 44.0 lb D. 900 lb
Find the book value using the MACRS method of depreciation and the MACRS depreciation rates table. Round to the nearest dollar.MACRS Depreciation Rates 
Cost: $309,500Recovery Period: 7-yearAfter: First Year
A. $247,600 B. $278,550 C. $233,703 D. $265,272
Write the number as a product of primes.350
A. 2 ? 2 ? 5 ? 7 B. 2 ? 5 ? 7 C. 2 ? 5 ? 5 ? 7 D. 5 ? 5 ? 5 ? 7
Solve the equation by completing the square.5x2 + 22x = -15
A. 
B. 
C. 
D. 