Solve.If a city's dimensions are 20 miles by 25 miles, how many acres is the city?
Fill in the blank(s) with the appropriate word(s).
320,000 acres
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Solve the problem.The time T necessary to make an enlargement of a photo negative varies directly as the area A of the enlargement. If 160 seconds are required to make a 
enlargement, find the time required for a 
enlargement.
A. 504 sec B. 448 sec C. 392 sec D. 560 sec
Refer to the weighted voting system 
and the Banzhaf definition of power. (The five players will be called P1, P2, P3, P4, and P5.)The number of coalitions is
A. 120. B. 15. C. 31. D. 63. E. none of these
Determine whether the following is the graph of a function.
A. Yes B. No
Solve the problem.In Country X, teacher pay in 1990 was $20.3 thousand and has increased by approximately $7 thousand per year since then.(i) Complete the table below to help find an expression that stands for the teacher pay (in thousands of dollars) at t years since 1990. Show the arithmetic to help you see a pattern.(ii) Evaluate the expression that you found in part (i) for 
What does your result mean in this situation?
A. (i)
(ii) -1.7; Teacher pay will be about -$1.7 thousand in 2019.
B. (i)
(ii) -182.7; Teacher pay will be about -$182.7 thousand in 2019.
C. (i)
(ii) 223.3; Teacher pay will be about $223.3 thousand in 2019.
D. (i)
(ii) 56.3; Teacher pay will be about $56.3 thousand in 2019.