Use a formula for Sn to evaluate the series.
A. - 
B. -36
C. -12
D. - 
Answer: D
Mathematics
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Solve.-8x - 7 = 41
A. x = 1 B. x = 60 C. x = 56 D. x = -6
Mathematics
Use De Moivre's theorem to simplify the expression. Write the answer in a + bi form.
10
A. 
- 
i
B. 
+ 
i
C. - 
+ 
i
D. - 
- 
i
Mathematics
Solve.If the resistance in an electrical circuit is held constant, the amount of current flowing through the circuit varies directly with the amount of voltage applied to the circuit. When 
are applied to a circuit, 
of current flow through the circuit. Find the new current if the voltage is increased to 
A. 99 milliamperes B. 22 milliamperes C. 120 milliamperes D. 110 milliamperes
Mathematics
Solve the equation.52s + 30 = 12s
A. 
B. 
C. 
D. 
Mathematics