Perform the indicated operation and express in lowest terms.
- 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Work the chain multiplication.6 ? 4 ? 2
A. 58 B. 48 C. 72 D. 12
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Solve the problem.Evaluate tan-1 
.
A. 0
B. - 
C. Undefined
D. - 
Mathematics
Find the dimension of the matrix.
A. -9, 2, 8 B. 3 × 1 C. 3 D. 1 × 3
Mathematics
Find the area of the shaded region. Use 3.14 to approximate ?, if needed. Round to the nearest tenth if necessary.
A. 162 sq yd B. 81 sq yd C. 40.5 sq yd D. 36 sq yd
Mathematics