Evaluate.3(-1)(5)(-9)
A. 48
B. -135
C. 7
D. 135
Answer: D
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Find all cube roots of the complex number. Leave answers in trigonometric form.-6
- 6i
A. 
cis 70°, 
cis 190°, 
cis 310°
B. 
cis 70°, 
cis 190°, 
cis 310°
C. 
cis 70°, 
cis 190°, 
cis 310°
D. 
cis 80°, 
cis 200°, 
cis 320°
Determine whether the number used is a cardinal or an ordinal number.The baby gained four ounces since his last check-up.
A. Ordinal B. Cardinal
Perform the indicated operation, being careful not to leave more than 59 seconds or 59 minutes in your answers.
A. 6 hours, 76 minutes, 26 seconds B. 7 hours, 16 minutes, 26 seconds C. 7 hours, 17 minutes, 26 seconds D. 6 hours, 17 minutes, 26 seconds
Solve.The power that a resistor must dissipate is jointly proportional to the square of the current flowing through the resistor and the resistance of the resistor. If a resistor needs to dissipate 
of power when 
of current is flowing through the resistor whose resistance is 
find the power that a resistor needs to dissipate when 
of current are
flowing through a resistor whose resistance is 
A. 32 watts
B. 16 watts
C. 40 watts
D. 8 watts