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Write a real world problem for each inequality 3х + 10 >30

Add 1/7 + -1/7 your answer should be reduced to its smallest form and should not be an improper fraction

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

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.