Solve.ln (3x - 2) = 4
A. 18.866
B. 56.598
C. 18.199
D. 17.533
Answer: A
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In a suspension bridge, the shape of the suspension cables is parabolic. The bridge shown in the figure has towers that are 800 m apart, and the lowest point of the suspension cables is 200 m below the top of the towers. Find the equation of the parabolic part of the cables, placing the origin of the coordinate system at the lowest point of the cable.
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NOTE: This equation is used to find the length of the cable needed in the construction of the bridge.
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What will be an ideal response?
Use the information in the table to solve the problem. Write your answer as a fraction in lowest terms.The table below shows the amounts of pollutants (in parts per million) in a sample of rainwater.
Find the ratio of pollutant D to pollutant E.
A. 
B. 
C. 
D. 
Solve the problem.A brick staircase has a total of 20 steps The bottom step requires 146 bricks. Each successive step requires 5 fewer bricks than the prior one. How many bricks are required to build the staircase?
A. 3870 bricks B. 1970 bricks C. 3940 bricks D. 1920 bricks
Solve the equation.-8.3 = y + 3.7
A. 12 B. 4.6 C. -12 D. -4.6