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In a group of 36 pupils, 1 plays the flute only.
7 play the piano only.
14 play neither instrument.
A student is selected at random.
What is the probability the student plays both instruments?

Ms. sutton recorded the word counts and scores of the top ten essays in a timed writing contest. the table shows her data. how does the word count of an essay relate to its score in the contest? word count tends to decrease as the score decreases. word count tends to increase as the score decreases. word count tends to remain constant as the score decreases. word count has no apparent relationship to the score of the essay.

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?