1. The Great Pyramid of Giza was constructed as a regular pyramid with a square base. It was built with an approximate volume of 2,592,276 cubic meters and a height of 146.5 meters. What was the length of one side of its base, to the nearest meter?

a. 73
b. 77
c. 133
d. 230

2. The center of circle Q has coordinates (3, -2). If circle Q passes through R (7, 1), what is the length of its diameter?

a. 50
b. 25
c. 10
d. 5

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