Find all the complex solutions of the equation.x3 - 8 = 0
A. 2, -1 + 
i, -1 - 
i
B. 2, 1 + 
i, -1 - 
i
C. 2, 1 - 
i, 1 - 
i
D. 2, 1 + 
i, 1 - 
i
Answer: A
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Multiply.(
- 9)(9 + 
)
A. 81 - m
B. m - 18
- 81
C. m - 81
D. m - 
+ 81
Find the product.
A. 
B.
[18 10]
C. 
D. 
Find a matrix A and a column matrix B that describe the following tables involving credits and tuition costs. Find the matrix product AB, and interpret the significance of the entries of this product.
?
A.
AB = 
The number of credits for Student 1 is 12, the number of credits for Student 2 is 17, and the number of credits for Student 3 is 15.
B.
AB = 
The number of credits for Student 1 is 17, the number of credits for Student 2 is 15, and the number of credits for Student 3 is 12.
C.
AB =
Tuition for Student 1 is $800, tuition for Student 2 is $650, and tuition for Student 3 is $860.
D.
AB = 
Tuition for Student 1 is $900, tuition for Student 2 is $800, and tuition for Student 3 is $610.
Write the decimal in words.2.000625
A. Two and six hundred twenty-five tenths B. Two and six hundred twenty-five thousandths C. Two and six hundred twenty-five millionths D. Two and six hundred twenty-five hundredths