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Elementary,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 352 Weeks Ago, 5 Days Ago |
| Questions Answered: | 20103 |
| Tutorials Posted: | 20155 |
MBA, PHD
Phoniex
Jul-2007 - Jun-2012
Corportae Manager
ChevronTexaco Corporation
Feb-2009 - Nov-2016
1. Solve the system: 2x + y = 5
x – y = 13
2. Bobby is three years older than twice Arianna’s age. If the total of their ages is 9, how old is Bobby, and how old is Arianna?
3. Solve the system: y = x2Â + 5
6x – y = 3
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