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
Please show me the graph and the answer to this equation I get confuse with the setting up here is my situation 10y+15x=20 my answer was 4 please show me thank you What is the most debt a company will be if debt represents negative profit, p(t), and p(t) = t^2 -5t - 50 with p(t) units of $1000 and t = fiscal quarters?
a. -$50,000
b. 2.5 fis