book Maths Puzzle Numerical Ability

Solve each system by graphing

20. y = - x
2x + 3y = 5


Solve each system by the substitution method. Determine whether the equations are independent, dependent, or in

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book Other Question

Simplify a^1/3(a^6 +4a^12) Point A- (-2,5). Point B (4, 1).
How would I find the length and the midpoint of segment AB?