Perform the indicated operation. Write the result in the form a + bi.6i + (-8 - i)
A. 8 - 5i
B. -8 + 7i
C. -8 + 5i
D. 8 - 7i
Answer: C
Mathematics
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Solve the system of equations using Cramer's Rule, if applicable.
A. (2, 1)
B. {(x,y) 
C. ?
D. (1, 2)
Mathematics
Solve the equation for the indicated variable. Assume that the dimensions are such that matrix multiplication and addition are possible and that inverses exist when needed.Solve for C: CZ = Y
A. C = YZ-1 B. C = ZY-1 C. C = Z-1Y D. C = Y/Z
Mathematics
Write the number in decimal notation without the use of exponents.3.669 × 10-6
A. 0.000003669 B. 0.0000003669 C. -3,669,000 D. 0.00003669
Mathematics
Simplify the rational expression. If the expression is already in simplest form, state this as your answer.
A. 
B. - 
C. 
D. 
Mathematics