Solve the system of equations by elimination.3x + 6y = 393x + 2y = 47
A. (-17, 6)
B. (-2, 17)
C. ( -17, 3)
D. (17, -2)
Answer: D
Mathematics
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Write the complex number in rectangular form.-3(cos 225° + i sin 225°)
A. 
+ 
i
B. 
+ 
i
C. 
+ 
i
D. 
+ 
i
Mathematics
Find the range of the polynomial function. f(x) = 3x2 + 24x + 46
A. [2, ?) B. (-?, -2] C. [-4, ?) D. [-2, ?)
Mathematics
Find the circle's circumference or area, as requested. Use 3.14 as the approximate value of ?, and round your answer to the nearest tenth.Find the area.
A. 1808.6 in.2 B. 75.4 in.2 C. 452.2 in.2 D. 150.7 in.2
Mathematics
Multiply.(6x2 - x + 1)(4x2 + x - 10)
A. 24x4 + 2x3 + 64x2 + 10x + 10 B. 24x4 + 2x3 + 63x2 - 9x + 10 C. 24x4 + 2x3 - 57x2 + 11x - 10 D. 24x4 + 10x3 + 63x2 + 11x + 10
Mathematics