Is the expression 6(2d+ 4f) - 3f equivalent to the expression 8d+ 28f +4d -7f? Explain your answer.
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Write a recursive sequence that represents the sequence defined by the following explicit formula:

If n stands for number sold and c stands for cost per item, in which column would you use the formula: ? a. column d c. column f b. column e d. column g

Prove the converse of the pythagorean theorem using similar triangles. the converse of the pythagorean theorem states that when the sum of the squares of the lengths of the legs of the triangle equals the squares length of the hypotenuse, the triangle is a right triangle. be sure to create and name the appropriate geometric figures.