Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. 
B. 
C. 
D. 
Answer: D
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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
Evaluate the cylindrical coordinate integral.
A. 34
B. 68
C. 
D. 
In the circuit below, R1 = 3.3 Kê, R2 = 5.6 Kê, R3 = 4.7 Kê, and C = 846 pF. Find VO and RN of an equivalent Norton circuit.
a. VO = 15.0 V, RN = 4.7 Kê
b. VO = 8.5 V, RN = 5.86 Kê
c. VO = 7.5 V, RN = 2.56 Kê
d. VO = 6.5 V, RN = 3.3 Kê
e. VO = 3.9 V, RN = 1.4 Kê
Write the interval in set-builder notation and graph the set on a number line.[-1, ?)
A. {x|x ? -1}
B. {x|x > -1}
C. {x|x ? -1}
D. {x|x < -1}