Use a proportion to solve the problem.On a map of the Fox River, 1 centimeter represents 4 kilometers. If a trail by the river is actually 12.80 kilometers long, what is the length of the river on the map?
A. 3.8 centimeters
B. 5.2 centimeters
C. 3.2 centimeters
D. 8.8 centimeters
Answer: C
Mathematics
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Find the focus and directrix of the parabola.y2 = -32x
A. F: (8, 0); D: x = -8 B. F: (-8, 0); D: y = 8 C. F: (0, -8); D: y = 8 D. F: (-8, 0); D: x = 8
Mathematics
Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.Find the amount of decrease and the percent decrease if the original amount is 
and the new amount is -5,304.
A. 5,408; 5,300% B. 5,408; 5,210% C. 5,408; 5,195% D. 5,408; 5,200%
Mathematics
Write as a percent. Round to the nearest hundredth of a percent when necessary.
A. 23.33% B. 2.33% C. 4.29% D. 42.86%
Mathematics
Graph the inequality.y ? x - 2
A. 
B. 
C. 
D. 
Mathematics