(-10x^2+9)+(8x^2-5x+7)
(−10x
2
+9)+(8x
2
−5x+7)...
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Answers: 3
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Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.
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