Perform the indicated operation. Give answer in standard form.(-4 + 3i) - (7 + 2i) - 13i
A. 11 - 12i
B. -11 - 8i
C. -11 + 12i
D. -11 - 12i
Answer: D
Mathematics
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Multiply using Napier rods.4 × 1441
A. 5768 B. 5764 C. 2882 D. 11,528
Mathematics
Simplify, if possible, by combining like terms.-3b + 6b
A. 3b B. -3b C. 3b2 D. Cannot be simplified
Mathematics
Divide. Write a mixed numeral for the answer.2
÷ 13
A. 
B. 
C. 
D. 
Mathematics
A point on the terminal side of an angle ? is given. Find the exact value of the indicated trigonometric function of ?.(4, -3)Find cos ?.
A. - 
B. 
C. 
D. - 
Mathematics