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?
A. Agriculture: 274; manufacturing: 150; transportation: 257
B. Agriculture: 150; manufacturing: 257; transportation: 274
C. Agriculture: 257; manufacturing: 274; transportation: 150
D. Agriculture: 274; manufacturing: 257; transportation: 150
Answer: D
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Arrange the group of numbers in order, from least to greatest.2
, 2.91, 2.091, 1
A. 1
, 2.91, 2.091, 2
B. 2.91, 2
, 2.091, 1
C. 1
, 2.091, 2
, 2.91
D. 2.091, 2
, 2.91, 1
Approximate the expression to the nearest thousandth.
A. -0.2 B. -0.163 C. -0.315 D. -0.178
Simplify the series of additions and subtractions.7 + 14 - 11
A. 32 B. 4 C. -18 D. 10
Solve the problem.Let H = 
Find the dimension of the subspace H.
A. dim H = 3 B. dim H = 1 C. dim H = 4 D. dim H = 2