exam Maths Puzzle Numerical Ability

I have a homework question that I do not know how to do. It states:
Graph the solution set y<or equal to (x+5)
y<2

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exam Other Question

Evaluate:

[2*2-6] Note: the brackets are absolute value signs.

The answer that I got was -2, but that was not correct
The Dolphin Pool Company will Build a pool for Sally Wadman having an area of 600ft squared. Ms. Wadman's pool, along with a deck of uniform width, will have dimensions 3