Sam camped in a valley that had an elevation of -12 feet. He hiked up a trail that ended at an elevation of 287 feet. How many feet lower was the valley than the trail?
end? (Draw a picture to help.)

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The jones farm has 24 cows that each produce 52 quarts of milk a day. how many quarts are produced each day altogether

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

What is the multiple zero and multiplicity of f(x) = (x ? 3)(x ? 3)(x + 5)? multiple zero is 3; multiplicity is 2 multiple zero is 5; multiplicity is 1 multiple zero is ? 5; multiplicity is 1 multiple zero is ? 3; multiplicity is 2