Multiply.(3x + 1)(x - 6)
A. x2 - 6x - 17
B. 3x2 - 18x - 6
C. x2 - 17x - 18
D. 3x2 - 17x - 6
Answer: D
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Solve the problem.In thermodynamics, the differential form of the internal energy of a system is dU = T dS - P dV, where U is the internal energy, T is the temperature, S is the entropy, P is the pressure, and V is the volume of the system. The First Law of Thermodynamics asserts that dU is an exact differential. Using this information, justify the thermodynamic relation 
= - 
.
What will be an ideal response?
The period T (in seconds) of a pendulum is 
, where L is the length of the pendulum (in feet). Find the period of a pendulum whose length is 10.0000 feet.
?
A. 1.010 sec B. 3.511 sec C. 5.511 sec D. 4.511sec E. 4.011 sec
Solve the right triangle with the given sides and angles.a = 3.4, ? = 40.5°
A. ? = 49.5°, b = 5.3, c = 4.5 B. ? = 49.5°, b = 5.3, c = 6.3 C. ? = 49.5°, b = 2.9, c = 4.5 D. ? = 49.5°, b = 1.8, c = 3.8
Provide an appropriate response.Can 
exist as a real number?
Fill in the blank(s) with the appropriate word(s).