Multiply.(4 - 2i)(9 + 8i)

A. 52 - 14i
B. -16i2 + 14i + 36
C. 52 + 14i
D. 20 - 50i


Answer: C

Mathematics

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A. 1 B. 7 C. 7x D. x

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Solve using the elimination method. Use a graphing calculator to check your answer.0.8x + 0.6y = 2.6  x - 0.8y = -1.4

A. (3, 1) B. (1, 3) C. (0.1, 0.3) D. No solution

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Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.( - )

A.
B. 7 + 7
C. 8
D.  - 

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Find the exact value of the expression.sin 105°

A. - 
B. - 
C.  
D.  

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