book Maths Puzzle Numerical Ability

(-2)^2-3^2/6 divided by 3(2)^-2
Please solve
Plus what symbol do you put for divided

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book Other Question

x-4y=8
x=8/-4y
x=-2 over y

2x+y=-3
2x-3=y

2x+y=-3
The parking lot at George's Grocery is 60ft. long and 40ft. wide. George plans to expand the parking lot by increasing the length and width by the same amount (x).

1.Write an ex