exam Maths Puzzle Numerical Ability

3/4 -8 +3 second power
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-2

My answer came to be a 3. Can you please let me know if this is correct.

Thank-you,

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exam Other Question

two numbers have a ratio of 5:6 and their sum is 44. what are the two numbers? The floor of a gazebo is a regular 20-gon. If the apothem is 30 feet, find the length of each side to two decimal places.