Simplify the expression.
3
A. 
B. 
C. 
D. 
Answer: A
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Subtract.(-6x3 + 4x5 - 5 + 4x4) - (9 + 8x4 + 8x5 + 9x3)
A. -4x5 + 12x4 + 3x3 + 4 B. -4x5 - 4x4 - 15x3 - 14 C. 12x5 + 12x4 + 3x3 + 4 D. 12x5 + 12x4 + 3x3 - 14
Solve and check. Begin by using the addition or multiplication principles of equality to isolate the squared term. -3x2 = -33
A. 16.5
B. ±11
C. ±
D. 12
Perform the indicated operations and write the result in standard form.
+ 
A. 54i B. -15 C. -15i D. 15i
Solve the problem.A simplified economy is based on agriculture, manufacturing, and transportation. Each unit of agricultural output requires 
of its own output, 0.5 of manufacturing, and 
of transportation output. Each unit of manufacturing output requires 
of its own output, 0.1 of agricultural, and 
of transportation output. Each
unit of transportation output requires 
of its own output, 0.2 of agricultural, and 0.1 of manufacturing output. There is demand for 
of agricultural, 
of manufacturing, and 
of transportation output. How many units should each segment of the economy produce?
What will be an ideal response?