Solve the equation by the square root property. If possible, simplify radicals or rationalize denominators. Express imaginary solutions in the form 
2 = 
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.When the temperature is 39°F, what is the temperature in degrees Celsius? Round your answer to the nearest tenth if necessary.
A. 102.2°C B. 3.9°C C. 38.2°C D. 10.3°C
Solve the problem.Let D be the region bounded below by the xy-plane, above by the sphere 
and on the sides by the cylinder 
. Set up the triple integral in cylindrical coordinates that gives the volume of D using the order of integration 
.
A. 
B. 
C. 
D. 
Find the extreme values of the function subject to the given constraint.
A. Minimum: 6 at (±1, 0); maximum: 7 at (0, ±1) B. Minimum: 6 at (0, ±1); maximum: 7 at (±1, 0) C. Minimum: 6 at (0, ±1); maximum: 0 at (0, 0) D. Minimum: 6 at (±1, 0); maximum: 0 at (0, 0)
Factor the expression.x2 + 20x
A. x2(1 + 20x) B. x(x2 + 20) C. x(x + 20) D. No common factor