Find the area of the figure. Use 3.14 for ?. Round approximations to the nearest tenth.
a = 15 m, b = 11 m
A. Not enough data
B. 253.3 m2
C. 259.1 m2
D. 170.8 m2
Answer: D
Mathematics
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A. 
B. 
± 2?n, 
± 2?n
C. 
D. 
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Factor completely, if possible.r2- 8r + 16
A. (r - 8)(r + 8) B. (r - 4)2 C. (r - 4)(r + 4) D. (r + 4)2
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Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.-7x + 9y = -14 3x - 6y = 6
A. (2, 1) B. (1, 1) C. (2, 0) D. No solution
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Find the expected value of the probability density function to the nearest hundredth.f(x) = 
- 
; [2, 6]
A. 4.33 B. 5.00 C. 4.67 D. 4.00
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