Solve.Find the volume of a sphere with radius 2 inches. Use 
for 
A. 12
cu in.
B. 6
cu in.
C. 33
cu in.
D. 100
cu in.
Answer: C
Mathematics
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Use Cramer's Rule, if possible, to solve the system of linear equations. 
A. (5, 1, 2) B. (5, -1, -2) C. (6, -1, 2) D. (1, 2, 1)
Mathematics
Solve.2385.6 = 28 ? t
A. 85.2 B. 852 C. 0.0852 D. 8.52
Mathematics
Solve.The discus is thrown from a circular region 8 feet 5 inches in diameter. What is the area of the circle (in square inches)? Use 3.14 for ?. Round to the nearest tenth, if necessary.
A. 4,003.9 sq in. B. 32,031.1 sq in. C. 8,007.8 sq in. D. 317.1 sq in.
Mathematics
Factor completely.3x2 - 9xy - 12y2 = 3( 
)( 
)
A. x - 3y, x + 4y B. x - y, x + 4y C. x + 3y, x - 4y D. x + y, x - 4y
Mathematics