exam Maths Puzzle Numerical Ability

Solve the system of equation by graphing.
1.)
-7x + y = -8
-3x + y = -12

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exam Other Question

What distance will be traveled if you are going 120km/hr for 30 min? Convert to
meters and meters/second.
solve the system by substitution.

3x - 3y = -12

y = -3x - 12