Perform the operation and write the result in the standard form.6i(7 - 8i)
A. - 42i - 48i2
B. 42i + 48i2
C. 42i - 48
D. 48 + 42i
Answer: D
Mathematics
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Simplify the complex number to its rectangular form.9j7 - 5
A. 9j - 5 B. -14 C. -14j D. -9j - 5
Mathematics
Factor, if possible.18x3 - 78x2 - 60x
A. (x2 - 5)(18x + 12) B. 6x(3x + 2)(x - 5) C. 6(3x - 2)(x + 5) D. x(3x + 2)(6x - 30)
Mathematics
Find the selling price per item to the nearest cent.Total cost: $328.09Quantity: 60Unsaleable: 5%% Markup on selling price: 21%
A. $7.29 B. $6.92 C. $4.76 D. $13.84
Mathematics
Factor the polynomial.8y2 + 18y + 9
A. (2y + 3)(4y + 3) B. (8y + 3)(y + 3) C. (2y - 3)(4y - 3) D. prime
Mathematics