exam Maths Puzzle Numerical Ability

One the graphed equation y=(x-3)(x-5)(x-a), what is the value of a?

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exam Other Question

Solve the equation ln(4x-2)=ln(8x) please help me to solve

Pencils cost 25 cents apiece. Pens cost 80 cents apiece. Susan spent $20 for a total of 36 pens and pencils. How many pencils did she buy?

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