Find the product and simplify.
? 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Estimate the answer by rounding as indicated.Estimate by rounding to the nearest hundred.
A. 2800 B. 2750 C. 2752 D. 2700
Mathematics
Describe the graph of the polar equation.r2 + 2r2sin ? cos ? = 121
A. Two horizontal lines passing through (0, ±11) B. Parabola opening to the right with vertex at (11, 0) C. Parabola opening upward with vertex at (0, 11) D. Two straight lines of slope -1, y-intercepts (0, ±11)
Mathematics
Graph the circle using the given equation.(x - 3)2 + (y - 1)2 = 9
A. 
B. 
C. 
D. 
Mathematics
Consider the regular expression a(a | b)?b.
(a) Describe the language defined by this expression. (b) Design a finite-state automaton to accept the language defined by the expression.
Mathematics