Referring to triangle ABC, find the area of the triangle.
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a = 23 inches, b = 34 inches, c = 43 inches
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Round to three significant digits.
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S = __________ inches2
Fill in the blank(s) with the appropriate word(s).
389
Mathematics
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Subtract.5x7 - 7x6 + 2x5 + 7
A. 8x7 - 3x6 + 7x5 - 2 B. 2x7 - 3x6 + 7x5 + 16 C. 8x7 - 3x6 + 7x5 + 16 D. 2x7 - 11x6 - 3x5 - 2
Mathematics
Simplify:
Mathematics
Factor completely by trial and error. If prime, so state.7x2 + 17x - 12
A. (x - 4)(7x + 3) B. (x - 3)(7x + 4) C. (x + 3)(7x - 4) D. prime
Mathematics
Evaluate: 
A. 14
B. 12
C. 18
D. 
Mathematics