Examlex
At a community college, there are 7 English instructors, 6 math instructors, and 6 history
instructors. If one of these instructors is selected at random to serve on a committee, find the
probability that the instructor is an English instructor or a history instructor.
Fertile Crescent
A historical region in the Middle East known for its rich soils and contributions to early agricultural development and civilization.
Teotihuacan
An ancient Mesoamerican city located in what is now Mexico, known for its vast size, complex urban planning, and monumental structures such as the Pyramid of the Sun and the Pyramid of the Moon.
Solar Calendar
A calendar system based on the Earth's rotation around the Sun, typified by a year of twelve months.
Teotihuacan
An ancient Mesoamerican city located in what is now Mexico, known for its vast size, complexity, and the remains of its large pyramids and temples.
Q11: Refracting telescopes suffer from _ aberration.
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Q18: A(n) _ is a single conjecture that
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Q45: The table lists the spectral types for
Q51: Draw a bar graph illustrating the change
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Q67: The apparent visual magnitude of a star
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