exam Maths Puzzle Numerical Ability

Word problem.

The volume of the box is represented by (x^2+5x+6)(x+5). Find the polynomial that represents the area of the bottom of the box.

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exam Other Question

If g(x) = 3x - 8, find g[g(-4)].

Thanks HELP
1.
Substitution Method:
7x + 3y = -9
-6y + y =22
Find the solution?

2.
Solve and Graph
2x -14 _< -7 or x -4 _> 1
Solution is {x/x _< ? or x _> ?}