5. What is the width of a garden lot if its area is
(25x*y4 + 75xºy2 - 90x²y3 + 45xy) mand its
length is 5xy meters?
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Acid is a chemical species that donates protons or hydrogen ions and/or accepts electrons. Most acids contain a hydrogen atom bonded that can release (dissociate) to yield a cation and an anion in water. The higher the concentration of hydrogen ions produced by an acid, the higher its acidity and the lower the pH of the solution..
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