Find a ? b.a = 11j, b = i + 5j
A. 55
B. 
C. 
D. -55
Answer: A
Mathematics
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Use the substitution formula to evaluate the integral.
A. 
B. 30
C. 15
D. - 
Mathematics
Solve the absolute value inequality. Write your answer in interval notation. 
? 8
A. ?
B. 
C. 
? 
D. 
Mathematics
Simplify.
+ 
+ 
+ 
A. 68
+ 15
B. 
+ 
+ 15
C. 10
+ 
+ 
D. 10
+ 15
Mathematics
Perform the indicated operation. Write the result in standard form.(4 + 7i) - (-4 + i)
A. 8 - 6i B. 0 + 8i C. -8 - 6i D. 8 + 6i
Mathematics