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Maths Puzzle
Numerical Ability
how do you do linear and quadratic functions
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Hello,
I need help defining a variable, writing and solving this inequality:
Ray had scores of 75,82,94, and 77 on his first four science tests. What must he score on the next test to have an average of at least 85?
Thank you
Solve the following linear system using elimination:
3x+3y=15
5x-5y=15