Multiply. Write your answer in the form a + bi.(7 - 9i)(8 - 3i)
A. 29 + 93i
B. 83 - 51i
C. 29 - 93i
D. 27i2 - 93i + 56
Answer: C
Mathematics
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Simplify.8 × 3 + {12 ÷ [8 - (3 + 2)]}
A. 28 B. 27 C. 30 D. 29
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Find the perimeter of the rectangle or triangle.
A. 5r3 + 11r + 11 B. r3 + 5r2 + 10r + 11 C. r3 + 4r2 + 11r + 11 D. 5r3 + r2 + 10r + 11
Mathematics
Write the complex number in standard form.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Use either the binomial theorem or Pascal's Triangle to expand the binomial.(6 - x)5
A. 7776 - 1296x + 216x2 - 36x3 + 6x4 - x5 B. 7776x - 6480x2 + 2160x3 - 360x4 + 30x5 C. 7776 - 6480x + 2160x2 - 360x3 + 30x4 - x5 D. 1 - 5x +10x2 - 10x3 + 5x4 - x5
Mathematics