Convert the numeral to a numeral in base ten.231four

A. 24
B. 21
C. 45
D. 6


Answer: C

Mathematics

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Factor completely.16 + 8x + x2

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Find the exact value of the expression.

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Fill in the blank with <, >, or = to make a true comparison statement. 0.496 _____ 0.49600

A. = B. < C. >

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Find the equation of a circle satisfying the given conditions.Center: (0, -9); radius: 

A. x2 + (y - 9)2 = 13 B. (x + 9)2 + y2 = 169 C. (x - 9)2 + y2 = 169 D. x2 + (y + 9)2 = 13

Mathematics