Factor completely.x2 - 5xy - 14y2
A. (x - 7y)(x + 2y)
B. (x - y)(x + 2y)
C. (x + 7y)(x - 2y)
D. (x - 7y)(x + y)
Answer: A
Mathematics
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Simplify.(a-3)-6
A. a18
B. a3
C. 
D. 
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Tell whether the statement is true or false.Let A = {5, 6, 7, 8, 9, 10}, B = {7, 9, 11}, C = {5, 6, 8, 10}, D = {5, 10}, and 
D ? C
A. True B. False
Mathematics
Write the perimeter of the figure as an algebraic expression and simplify.
A. 7a + 4b B. 10a + 12b C. 14a + 8b D. 5a + 6b
Mathematics
Match the equation with the appropriate graph.f(x) = 
A. 
B. 
C. 
D. 
Mathematics