exam Maths Puzzle Numerical Ability

Rewrite the following expression with positive exponents.


(32xy)^-3/7

This has me confused with the negative/positive exponents and the fraction exponent. Please help.

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exam Other Question
Please help me to solve this

Find the slope of the line passing through the points (4,0) & (4,5)


Please let me know how to solve this

Thank You factor this:

5x^2-15