exam Maths Puzzle Numerical Ability

My friend is really fat. She weighs a buttload of 320lbs. She says she wants to be 92lbs at the end of 100 days. She thinks I am some math nerd. Can you help?

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Find the volume of the prism if the height is 5 yards and the are of the base = 18 square yards I need to ask another question...
Graph the conic. Identify the center, vertices, foci, the equations of the asymptotes (if any) and the eccentricity.
a. 25x^2=9y^2-100x+54y-4