exam Maths Puzzle Numerical Ability

Solve the system by any method.
0.7x+0.8y=-5.3
0.6x-0.9y=1.8

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exam Other Question

Could I get some help with the following problem: Graph the line that passes through the point (3,0) that has a slope of -2/3. Thanks At noon, your family starts out from Louisville to go to Memphis driving at 40mph. Your uncle leaves Memphis to come to Louiville two hours later. He is taking the same route and