Simplify.(-36)3
A. -387,420,489
B. 19,683
C. 387,420,489
D. -19,683
Answer: A
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Create the required linear function an use it to answer the question.Persons taking a 30-hour review course to prepare for a standardized exam average a score of 620 on that exam. Persons taking a 70-hour review course average a score of 795. Based on these two data points, create a linear equation for the function that describes how score varies as a function of time. Use this function to predict an average score for persons taking a 54-hour review course. Round your answer to the tenths place.
A. 739.0 B. 717.7 C. 725.0 D. 729.2
Write the conjugate 
of the complex number z. Then find z
.z = -9 - i
A. 
= -9 + i, z
= 81
B. 
= -9 + i, z
= -80
C. 
= -9 + i, z
= 82
D. 
= -9 + i, z
= -9
Use DeMoivre's Theorem to find the indicated power of the complex number. Write the answer in rectangular form.(1 + i)20
A. -1024 B. 1024 C. 1024i D. -1024i
N is Poisson (5.4).
Find E ( X ), Var ( X ), and SD( X ) for the given random variable