Perform the indicated matrix operations.Let A = 
and B = 
. Find 2A - 2B.
A. 
B. 
C. 
D. 
Answer: D
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Find the volume of the indicated region.the region bounded by the paraboloid 
, the cylinder 
, and the 
A. 216? B. 324? C. 648? D. 432?
Solve the problem.Find the work done by a force of 14i (newtons) in moving an object along a line from the origin to the point 
(distance in meters).
A. 98.00 joules B. 96.98 joules C. 106.6 joules D. 15.23 joules
Solve the problem.Given that there are 30 voters and 3 candidates, complete the following preference schedule so that the Borda count method violates Fairness Criterion 1.
What will be an ideal response?
Solve the problem.A 50-m-long, 8.6-mm-diameter rope hangs free from a ledge. The density of the rope is 70 g/m. How much work is needed to pull the entire rope to the ledge?
A. 87,500g J B. 3.5g J C. 87.5g J D. 6.25g J