book Maths Puzzle Numerical Ability

whats the easiest way to solve polynomials without getting confused with all the steps yu have to do to solve a problem?

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book Other Question

choose a scale that you could use to graph each table....

x y

-5 10
2 -6
6 -15
13 -23

need help fast!!
Solution A = 1 cc water
Solution B = 1 mg salt
Solution C = Solution A + B ( 1cc to 1 mg )
Solution D = Solution 3cc of water + solution B

How much of solution D is needed to