Rationalize the denominator. Write the quotient in lowest terms. 

A.
B.
C.
D.


Answer: D

Mathematics

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Factor completely the polynomial. Indicate any that are not factorable using integers.a 2 - 4a + 21 

A. (a - 3)(a + 7) B. (a + 3)(a - 7) C. (a - 3)(a - 7) D. (a + 3)(a + 7) E. not factorable

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Estimate by using front-end rounding. 

A. 360,000 B. 395,592 C. 1,200 D. 395,600

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Factor the perfect square.25x2 - 70x + 49

A. (5x + 7)2 B. (5x + 7)(5x - 7) C. (5x - 7)2 D. (5x - 8)2

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Subtract. - 

A. -  
B.  
C. - 
D.  

Mathematics