exam Maths Puzzle Numerical Ability

Find the polynomial for the perimeter and for the area. (Top of the square is n+10, side of the square is n)
Perimeter is ? (Simplify, do not factor)
Area is ? (Simplify, do not factor)

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exam Other Question

Yuri has a board that is 98 in long. He wishes to cut the board into two pieces so that one piece will be 10 in. longer than the other. What should the length of each piece be? Use the properties of logarithms to expand.
log(4 lower)xy^3/z

Any and all help would be appreciated