Fill in the blank with one of the words or phrases listed below.
In a 
, the numerator or denominator or both may contain fractions.
A. rate
B. rational expression
C. complex fraction
D. proportion
Answer: C
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Solve the problem. Use an annual percentage rate table if necessary.A retired couple buys a new recreational vehicle (RV) for $50,000. They make a down payment of $13,000 and finance the balance at 9.0% APR over 60 months. Before making the 30th payment, the couple decides to pay the remaining balance on the loan. How much interest will the couple save (use the actuarial method)?
A. $2447.28 B. $2476.10 C. $3346.09 D. $2774.23
Multiply.
A. 623,960 B. 624,960 C. 634,960 D. 625,060
Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
B. 7
C. 
D. 
Find the equation for the graph of the hyperbola. 
A. y2 - 
= 1
B. 
- x2 = 1
C. 
- y2 = 1
D. x2 - 
= 1