boemeh459
29.04.2021 •
Mathematics
Which expression is equivalent to (a^-8b/a^-5b^3)^-3 ? Assume a does not equal 0, b does not equal 0.
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Ответ:
A.
Erin's total minus 9 gives us Jamie's total. This means Erin's total equals Jamie's total plus 9. This leads us to the conclusion that 27 (E's total) = j + 9 (the difference). We also know from the first phrase that E - 9 = j, meaning 27 - 9 = j, so j = 18.