Find a mathematical model representing the statement. (Determine the constant of proportionality.)
?
v varies jointly as p and q and inversely as the square of s. (? = 1.4 when p = 4.4, q = 7.3 ands = 1.8.)
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A. 
?
B.
C.
D.
E.
Answer: C
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Find the present value of the annuity. Assume that all interest rates are annual rates.If Peter can afford car payments of $185 per month for 5 years, what is the price of a car that he can afford now? Assume an interest rate of 8.5%.
A. $8777.12 B. $9017.12 C. $9167.22 D. $8995.62
Starting in the year 2000, the number of speeding tickets issued each year in Middletown is predicted to grow according to an exponential growth model. During the year 2000, Middletown issued 200 speeding tickets 
Every year thereafter, the number of speeding tickets issued is predicted to grow by 10%.If PN denotes the predicted number of speeding tickets issued during the year 2000 + N, then
A. PN = 200 × (1.1)N-1 B. PN = 200 × (0.1)N-1. C. PN = 200 × (0.1)N. D. PN = 200 × (1.1)N. E. none of these
Add or subtract as indicated. Simplify the result if possible. If an answer is an improper fraction, write it as a mixed number.
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A. 
B. 
C. 
D. 
Graph the solution of the system.x + 2y ? 2 x - y ? 0
A. 
B. 
C. 
D. 