Express in terms of i.

A. 11i 
B. ±11 
C. -i
D. -11i 


Answer: A

Mathematics

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Rearrange the following equation to solve for f.

1 xc = ÄÄÄÄ 2ãfc a. 1 ÄÄÄÄÄ 2ãcxc b. 2ãcxc c. 2ãcx d. 2ãcf

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Evaluate the expression. ? 4! ?

A. 120 B. 4 C. 12 D. 6 E. 24

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Use the given data points to construct a linear model, then use the model to find the appropriate Celsius or Fahrenheit temperature.Choose any two data points and use them to construct a linear equation that models the data, with x being Celsius and y Fahrenheit. Then use the equation to find the Fahrenheit temperature corresponding to 130° Celsius.

A. y = x + 32; 266° Fahrenheit
B. y = x + 32; 90° Fahrenheit
C. y = x + 32; 54° Fahrenheit
D. y = x + 32; 176° Fahrenheit

Mathematics

Solve the inequality.x2 + 8x + 15 > 0

A. (-?, -5) B. (-?, -5) or (-3, ?) C. (-5, -3) D. (-3, ?)

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