Use the fact that the 
to evaluate the expression without using a calculator.
?
?
Round the answer to the nearest thousandth.
?
A. 46.765
B. 24.994
C. 5.196
D. 15.588
E. 43.075
Answer: D
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Factor the polynomial completely.20(m - 2)2 - 1(m - 2) - 30
A. (4m + 7)(5m + 8) B. (4m - 13)(5m - 4) C. (4m + 5)(5m + 6) D. (4m + 14)(5m + 15)
In 1996, the population of a country was estimated at 4 million. For any subsequent year the population P(t) in million is 
, where t is the number of years since 1996. Use a graphing calculator to estimate the population in 2005. Round your answer to the nearest thousand.
a. 4,743,000 b. 4,699,000 c. 4,655,000 d. 4,833,000
Solve.13x2 ? 12x + 1
A. x ? -1 or x ? 
B. - 
? x ? 1
C. x ? - 
or x ? 1
D. -1 ? x ? 
Graph the system of inequalities. Find the coordinates of any vertices.7x + 6y ? 42x + 5y ? 20x ? 0y ? 0
A. 
, (0, 7), (20, 0)
B. 
, (0, 4), (0, 7)
C. 
, (0, 0), (0, 4), (6, 0)
D. 
, (6, 0), (20, 0)