For problems 1-13, simplify each expression.
A. 
B. 
C. 
D. 
E. none of these
Answer: D
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Find area of figure. Round to the nearest hundredth if necessary.A triangle whose base is 10 in. and height is 6 in.
A. 136 in.2 B. 16 in. C. 60 in.2 D. 30 in.2
Factor completely.343y3 - 512
A. (7y - 8)(49y2 + 56y + 64) B. (7y - 8)(49y2 + 64) C. (7y + 8)(49y2 - 56y + 64) D. (343y - 8)(y2 + 56y + 64)
Determine if the sequence is arithmetic. If the sequence is arithmetic, find the common difference.6, 11, 16, 21, . . .
A. no B. yes, 15 C. yes, 5 D. yes, -5
Evaluate the appropriate geometry formula to answer the question.A small airplane is thought to have crashed in the triangular region formed by three islands. Using the measurements in the diagram, find the area of the triangle. Round to the nearest square mile.
A. 137,084 mi2 B. 548,334 mi2 C. 274,167 mi2 D. 91,389 mi2