exam Maths Puzzle Numerical Ability

Please help....I'm confused by it being 4th root

all variables represent positive real numbers
provide answer in simplified form

4th root of (5y)/(3x^3)

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exam Other Question

y=18x+10 & 2y=18x+10 Hi. May I have some help with this inequality?

Solve the linear inequality. Express the solution using interval notation.

-1 < 2x - 2 ≤ 5