If f(x) = 2x/7 +4, which of the following is the inverse of f(x)?
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Use set builder notation to represent the following set: { -3, -2, -1, 0}

One side of a rectangle is 7 feet shorter than seven times the other side. find the length of the shorter side if we also know that the perimeter of the rectangle is 306 feet.

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.