Rationalize the denominator. Simplify, if possible.

A.
B.
C.
D.


Answer: C

Mathematics

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Provide an appropriate response.A sequence of rational numbers {rn} is defined by r1 = , and if  then   Find r50.

A. 49 B. 50 C. 2 D. 3

Mathematics

Find the exact value of the expression.

A.
B.
C. - 
D. - 

Mathematics

Simplify the expression.(-64)4/3

A. 4096 B. 256 C. -256 D. not a real number

Mathematics

Find the first term, the common difference, and give a recursive formula for the arithmetic sequence.8th term is 60; 14th term is 114

A. a1 = -3, d = 9, an = an-1 - 9 B. a1 = -12, d = 9, an = an-1 - 9 C. a1 = -12, d = 9, an = an-1 + 9 D. a1 = -3, d = 9, an = an-1 + 9

Mathematics