exam Maths Puzzle Numerical Ability

Geometry. A square has sides of length 3x - 2cm. Express the area of the square as a polynomial.

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exam Other Question

find the distance (rounded to the nearest thousandth) from the point (-5,-2) to the line 3x+y=8. The distance from a point to a line is the perpendicular distance. Solve the system by graphing.
4x+2y=10
y=4

I need to solve the equations and graph them.