As more and more old cars are taken off the road and replaced by late models that use unleaded fuel, the consumption of leaded gasoline will continue to drop. Suppose the transition matrix
Mathematics
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Evaluate the expression.-73
A. 21 B. -21 C. -343 D. 343
Mathematics
Evaluate the expression.
A. 
B. 1
C. -1
D. -3
Mathematics
Find the exact value of 
without using a calculator.
A) 1.25 B) 5 C) 2 D) 3 E) 2.5
Mathematics
Study the examples. The arrows indicate the direction that the given cube has been rotated 90°. Pick the cube illustrating the appropriate rotations.
?
Rotating a cube.
?
?
Rotation: downward, downward
?
?
A. D B. B C. C D. A
Mathematics