A local fish market is selling fish and lobsters by the pound. The fish, f, costs $3.25 a pound, while the lobster, l, costs $8.30 a pound. The fish market sells 24.50 pounds and makes $157.75. How many pounds of fish and pounds of lobster did the market sell?

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

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Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.