Write the imaginary numbers using the letter i.
A. -4i
B. -
i
C. ±4
D. 4i
Answer: D
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Solve the problem.The table indicates typical piston angles for various engine types. Use this information to zoom through the problem. 
Which engine type requires an acute piston angle?
A. flat engines B. V6 engines C. V8 engines D. V6 and V8 engines
Solve the problem.The pressure of oxygen gas in a closed container can be described approximately by the Dieterici equation P = 
e-0.0006/T,where T is the Kelvin temperature of the sample and v is the volume in liters.If 
and 
, in what "direction" should we change (v, T) to make the pressure increase as rapidly as possible?
A. In the direction 
B. In the direction 
C. In the direction 
D. In the direction 
Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
A. 
B. 
C. 
D. 
Find the eccentricity of the conic. Select the correct answer.
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