Mathematics, 02.05.2021 21:10, liltrewill7008
Mark is six years younger than his sister Teri. Their combined ages equals 86. How old are Mark and Teri?
Mark's age = x
Teri's age = y
Answers: 3
Mathematics, 22.06.2019 01:10, ceeciliaaa13
|y + 2| > 6 {y|y < -8 or y > 4} {y|y < -6 or y > 6} {y|y < -4 or y > 4}
Answers: 2
Mark is six years younger than his sister Teri. Their combined ages equals 86. How old are Mark and...
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