Completely factor the polynomial.5x2 - 10x - 25
A. 5x(x2 - 2x - 5)
B. 5(x2 - 10x - 25)
C. 5(x2 - 2x - 5)
D. 5(x2 - 5x - 20)
Answer: C
Mathematics
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A. 
B. 
C. 
D. not defined
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Identify the correspondence.The two triangles shown below are congruent. List the vertices corresponding to A, B ,and C in order. 
A. X, Y and Z B. Y,X and Z C. Z, X and Y D. Y, Z and X
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Solve the system by substitution.
A. (-6, 6) B. (-2, 0) C. (0, 0) D. (0, -6)
Mathematics
Find the area. Leave your answer in terms of pi.A ring of width 4 ft surrounding a circle with radius 291 ft
A. 16? ft2 B. 84,681? ft2 C. 87,025? ft2 D. 2344? ft2
Mathematics