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In a group of 60 students, 21 take math, 20 take psychologies, and 8 take both math and psychology. If one student is selected at random, find the probability that student takes math or psychology.
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Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.
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Landon wrote that 3−2.6=4. which statement about his answer is true?
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In a group of 60 students, 21 take math, 20 take psychologies, and 8 take both math and psychology....
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