Provide an appropriate response.Using Heron's formula, find the area of the triangle shown. Round answer to four significant digits.
A. 72.48 ft2
B. 229.5 ft2
C. 225.6 ft2
D. 162.3 ft2
Answer: D
Mathematics
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A. 
B. 
C. 
D. 
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Solve the problem.What is the coefficient of a7c3 in the expansion of (a + 2b - 3c)10?
A. -720 B. 960 C. 120 D. -3240
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Find the amount of the sale before sales tax was added. Round to the nearest cent.Total Sale: $536.81Sales Tax Rate: 4%
A. $516.16 B. $383.44 C. $521.17 D. $511.25
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Combine and simplify, if possible.-4
- 9
- 4
A. -4
B. 510
C. -91
D. -510
Mathematics