Given a = 11, b = 14, and c = 10, use Heron's Area Formula to find the area of triangle ABC. Round your answer to two decimal places.
?
A. 54.64
B. 47.04
C. 41.31
D. 48.87
E. 43.32
Answer: A
Mathematics
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A. 
B. 
C. 
D. 
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Find the exact value under the given conditions.sin ? = 
, 0 < ? < 
; cos ? = 
, 0 < ? < 
Find cos (? + ?).
A. 
B. 
C. 
D. 
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Divide. Use bar notation to write repeating decimals. 16.5 ÷ 1.98
A. 8.
B. 8.6
C. 8.
D. 8.3
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Graph the linear equation using the point-plotting method using the given values of x. y = x - 3x = 4, x = -7, x = 0
A. 
B. 
C. 
D. 
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