Solve the problem.Find the area of a rectangle with length 6.3 mm and width 
A. 46 mm2
B. 46.0 mm2
C. 27 mm2
D. 27.2 mm2
Answer: A
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Solve the exponential equation. Round to three decimal places when necessary.(3.5)x = 47
A. 3.086 B. 3.061 C. 3.197 D. 3.073
Solve.In preparation for his new job, Luke bought two suits at $169 a piece, four shirts at $28 a piece, two pairs of shoes at $74 a piece, four ties at $25 a piece, and five pairs of socks at $6 a piece. What was the total cost of these items?
A. $747 B. $728 C. $698 D. $302
Find the center of mass of a thin plate covering the given region with the given density function.The region between the curve y = 
and the x-axis from x = 1 to x = 9, with density ?(x) = 
A. 
= 5, 
= 
B. 
= 
, 
= 
C. 
= 
, 
= 
D. 
= 
, 
= 
Find all the complex roots. Leave your answers in polar form with the argument in degrees.The complex fourth roots of -16
A.
| 16(cos 45° + i sin 45°), 16(cos 135° + i sin 135°), 16(cos 225° + i sin 225°), 16(cos 315° + i sin 315°) |
B. 2(cos 45° + i sin 45°), 2(cos 135° + i sin 135°), 2(cos 225° + i sin 225°), 16(cos 315° + i sin 315°)
C.
(cos 45° + i sin 45°), 
(cos 135° + i sin 135°), 
(cos 225° + i sin 225°), 
(cos 315° + i sin 315°)D. 2(cos 90° + i sin 90°), 2(cos 180° + i sin 180°), 2(cos 270° + i sin 270°), 2(cos 360° + i sin 360°)