Provide an appropriate response.
Find the area of the triangle as shown. Round answer to four significant digits. 
A. 12.58 in2
B. 9.826 in2
C. 6.288 in2
D. 4.913 in2
Answer: D
Mathematics
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Find the perimeter.
A. 15.1 m B. 13.1 m C. 9.4 m D. 18.8 m
Mathematics
Solve by the method of your choice.x2 + 4x - 2 = 0
A. {
± 2}
B. {2 ± 
}
C. {4}
D. {-2 ± 
}
Mathematics
Find the prime factorization of the number. If the number is prime, state this.108
A. 2 ? 2 ? 3 ? 3 B. 2 ? 2 ? 3 ? 3 ? 5 C. 2 ? 2 ? 3 ? 3 ? 3 D. 2 ? 2 ? 2 ? 3 ? 3 ? 3
Mathematics
A circular metal tank has a radius of 20 in. If a lid made for tank has the same radius, find the area of the lid in square feet. Use the rules for working with measurements.
A. The area is 34.9 ft 2. B. The area is 8.73 ft 2. C. The area is 1,260 ft 2. D. The area is 4.36 ft 2. E. The area is 17.5 ft 2.
Mathematics