Write the system in the form 
Then solve the linear system by computing 
with a calculator. Round numbers to the nearest tenth, as necessary.1.4x + 0.2y + 4.3z = 3.93.4x - 7.0y - 0.7z = -3.54.5x - 1.7y - 0.1z = -3.0
A. (-0.6, 0.1, 1.1)
B. (-0.3, 0.0, 0.5)
C. (-0.5, 0.1, 0.8)
D. (-0.2, 0.0, 0.3)
Answer: A
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Solve the problem using determinants.Factories A and B sent rice to stores 1 and 2. A sent 10 loads and B sent 21. Store 1 used 16 loads and store 2 used 15. It cost $200 to ship from A to 1, $350 from A to 2, $300 from B to 1, and $250 from B to 2. $7550 was spent. How many loads went where?
A. 9 from A to 1; 1 from A to 2; 7 from B to 1; 4 from Y to B B. 10 from A to 1; 0 from A to 2; 6 from B to 1; 15 from B to 2 C. 8 from A to 1; 2 from A to 2; 8 from B to 1; 13 from B to 2 D. 0 from A to 1; 10 from A to 2; 15 from B to 1; 6 from B to 2
Provide an appropriate response.Change 290 meters to centimeters.
A. 290,000 cm B. 29 cm C. 29,000 cm D. 2,900 cm
Find the determinant of the given matrix.
A. 48 B. -8 C. 62 D. 8
Find the composition. If f(x) = x2 + 3 and h(x) = 
, find (h ? f)(-5)
A. 
B. -5
C. 5
D. 8 + 