exam Maths Puzzle Numerical Ability

slove by graphing: 2x-3y= -6
2x-y= 2

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exam Other Question

I have a parallelogram with 4x in the bottom left corner, 2x in the bottom right corner, and 60 in the top right corner. I need to find the value of each variable in the parallelog I just don't get it. Yn = 74

Assume that a circuit in your house has items connected to it that consume 8 amps of a 15 amp circuit. You are going to connect (Yn) - 100 watt bul