Find the pivot row of the tableau 
is row.
A. 1
B. 2
C. 3
Answer: A
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Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.e x + 8 = 3
A. {-6.75} B. {-5.60} C. {2.40} D. {-6.90}
Perform the indicated operation and simplify. Write the answer in the form a + bi.(3 + 5i) - (-2 + i)
A. 5 + 4i B. 5 - 4i C. -5 - 4i D. 1 + 6i
Solve the problem.For a motorcycle traveling at speed v (in mph) when the brakes are applied, the distance d (in feet) required to stop the motorcycle may be approximated by the formula 
Find the instantaneous rate of change of distance with respect to velocity when the speed is 47 mph.
A. 5.7 mph B. 48 mph C. 11.4 mph D. 4.7 mph
Solve the system by substitution. 2u + v = 24u - 3v = -6
A. u = - 
, v = 2
B. u = 0, v = 2
C. u = 2, v = 0
D. u = 2, v = - 