Add or subtract as indicated. Write your answer in the form a + bi.(-4 + 7i) - 3
A. 7 - 7i
B. -7 + 7i
C. -1 - 7i
D. -1 + 7i
Answer: B
Mathematics
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Use rational exponents to simplify the radical. If rational exponents appear after simplifying, write the answer in radical notation.
A. 
B. 
C. 
D. 
Mathematics
Perform the operation and write the result in the standard form.(2 - 3i)(3 - 5i)
A. 15i2 - 19i + 6 B. -9 - 19i C. 21 + 1i D. -9 + 19i
Mathematics
Evaluate: 
A. 5060 B. 24 C. 266 D. 276 E. None of these
Mathematics
Find all cube roots of the complex number. Leave answers in trigonometric form.-3
+ 3i
A. 
cis 50°, 
cis 170°, 
cis 290°
B. 
cis 70°, 
cis 190°, 
cis 310°
C. 
cis 70°, 
cis 190°, 
cis 310°
D. 
cis 50°, 
cis 170°, 
cis 270°
Mathematics