GRE Exam Numerical Ability Geometry

18. Write an equation of the line that is perpendicular to and goes through (-4, 5).
a.
b.
c.
d.

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GRE Other Question

14. A 1,500-gallon tank contains 200 gallons of water. Water begins to run into the tank at the rate of 75 gallons per hour. When will the tank be full but not overflowing?
a. 7 hours, 8 minutes
b. 17 hours, 20 minutes
c. 20 hours
d. 22 hours, 40 minutes
21. In 2000, 5500 people attended the State B basketball tournament. The enrollment has been increasing 2% annually. Select the equation that would determine the total number of people who attend t years after 2000?