Indicate whether the statement is true always, sometimes, or never.The product of a pair of complex conjugates (with b ? 0) is the difference of the squares of the real and imaginary parts.
A. Always
B. Sometimes
C. Never
Answer: C
Mathematics
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Solve the problem.Find the values of a, b and c that make 
a gradient field.
What will be an ideal response?
Mathematics
A quantity decreases by 8% each week for 7 weeks. What is the total percentage decrease over the 7-week period? Round your answer to two decimal places if necessary. ?
A. 55.91% B. 44.37% C. 56% D. 44.22%
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.14
- 3
A. -5
B. 5
C. 14
- 3
D. 11
Mathematics
Solve.3
= 
+ 4
A. -9 B. 0 C. 9 D. empty set solution
Mathematics