Find the sum or difference. Write the answer in standard form, a + bi.4i + (-6 - i)
A. 6 - 3i
B. 6 - 5i
C. -6 + 3i
D. -6 + 5i
Answer: C
Mathematics
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Find the area of the shaded region. f(x) = x3 + x2 - 6x
A. 
B. 
C. 
D. 
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Solve the problem.Jim has gotten scores of 61 and 82 on his first two tests. What score must he get on his third test to keep an average of 80 or greater?
A. At least 71.5 B. At least 74.3 C. At least 97 D. At least 96
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Solve the problem.Lesley purchased office supplies for her business. She spent $5 on paper, $7 on pens, $8 on folders, and $92 on computer disks. What was the total amount that she spent?
A. $105 B. $108 C. $117 D. $112
Mathematics
Solve the equation on the interval 0 ? ? < 2?.sec ? = cos ?
A. {0, ?}
B. {0}
C. 
D. 
Mathematics