Evaluate.92(-7)3
A. 27,783
B. 1701
C. -1701
D. -27,783
Answer: D
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Find the present value of the annuity. Assume that all interest rates are annual rates.Paul has agreed to contribute $116 per year for the next 3 years to his alumni association. However, he wishes to contribute this as one lump sum now. Assume an interest rate of 8%, and determine what lump sum he should contribute.
A. $309.14 B. $311.04 C. $307.24 D. $298.94
Provide an appropriate response.Simplify: 
- 
Fill in the blank(s) with the appropriate word(s).
Solve the equations containing absolute value.
= 14
A. {-9, 19} B. {9} C. {-19, 9} D. {-9}
Solve the problem.The power dissipated in an electric circuit is given by the expression 
where R is the resistance of the circuit and I is the current through the circuit. For a sinusoidal alternating current, the current might be represented by the relation 
where A is the amplitude, f is the frequency, and t is time. Write an expression for P involving the sine function, and use a fundamental identity to write P in terms of the cosine function.
A. P = RA sin2(2?ft) ; P = RA - RA cos2(2?ft) B. P = RA2 sin2(2?ft) ; P = RA2 - RA2 cos2(2?ft) C. P = RA2 sin2(2?ft) ; P = - RA2 cos2(2?ft) D. P = RA sin2(2?ft) ; P = RA - cos2(2?ft)