How to simplify this?
(3a-b)+2a...
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Which rational number could be graphed between -4 and -5
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25 ! the line of best fit is h = 5a + 86. predict the height at age 16.
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In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.
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