Find the principal square root. 

A. -0.7
B. Not a real number
C. -0.245
D. 0.2401


Answer: B

Mathematics

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Determine the number of triangles with the given parts.b = 49, c = 59, ? = 105°

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A. - 
B.
C.
D. - 5

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Write an equivalent expression using negative exponents. Then simplify, if possible.-2-4

A. -  
B.
C. 16
D. -16

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For the problem below, ? is a central angle in a circle of radius r. Find the length of arc s cut off by ?. ?  ?= 2, r = 5 inches. ? 

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