Add or subtract as indicated. Write your answer in the form a + bi.(-8 + 4i) - 2
A. -6 - 4i
B. -6 + 4i
C. -10 + 4i
D. 10 - 4i
Answer: C
Mathematics
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Simplify the expression.2434/5
A. 2,187 B. 6,561 C. 19,683 D. 81
Mathematics
Solve the equation algebraically. Verify your solution with a graphing utility.
= 8
A. {64} B. {100} C. {66} D. {62}
Mathematics
Add or subtract, as indicated. Assume that all variables represent positive real numbers.7x
- 9x
A. 2x
B. -2x
C. -2x
D. -2
Mathematics
A 1500-liter tank contains 70 liters of a 30% acid solution and you add x liters of a 70% acid solution to the tank. If the function C, which represents the proportion of acid to the total solution in the final mixture, is given by 
, determine the domain based upon the physical constraints of the problem.
A. 
B. 
C. 
D. 
E. 
Mathematics