exam Maths Puzzle Numerical Ability

Graph the solution set of x > 7.

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exam Other Question

Geometry.

The length of a rectangle is 2 in. more than twice its width. If the
perimeter of the rectangle is 34 in., find the dimensions of the rectangle.
can you help me factor this please?

12x^4y^3+16x^3y^3+20x^3y^4