Multiply the complex numbers and simplify powers of i.(6 + 
) (3 + 
)
A. (18 - 
)+ (6
+ 3 
)i
B. (18 + 
)- 32i
C. 32 + 126i
D. 4 - 9
i
Answer: A
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Provide an appropriate response.Subtract and report the difference with appropriate precision: 483.7 km - 197.36 km
A. 286.34 km B. 386 km C. 286.0 km D. 286.3 km
A polynomial P(x) and a divisor d(x) are given. Use long division to find the quotient Q(x) and the remainder R(x) when P(x) is divided by d(x), and express P(x) in the form d(x)? Q(x) + R(x).P(x) = 2x4 - x3 - 15x2 + 3xd(x) = x + 3
A. (x + 3)(2x3 - 5x2 + 3) + 9 B. (x + 3)(2x3 + 5x2 + 3) + 9 C. (x + 3)(2x3 - 7x2 + 6x - 15) + 45 D. (x + 3)(2x3 - 7x2 + 6x - 15) - 45
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sin ? = - 
, 
< ? < 2?Find cos(2?).
A. 
B. - 
C. - 
D. 
Multiply and write the product as a mixed number in simplest form.-5
? 
A. 9 B. -12 C. 10 D. -10