exam Maths Puzzle Numerical Ability

Need to find formula-Find the amount of energy that is needed to lift a 2.5-pound textbook 75 feet up a hill.

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exam Other Question

Find the coordinates of point S.
where the circles radius is 8
the angle of the triangle is -45 degrees What is 30% of 200?

Help me to figure this out? Do I put this into a fraction?