If the domain of the square root function f(x) is 757, which statement must be true?
7 is subtracted from the x-term inside the radical,
The radical is multiplied by a negative number
7 is added to the radical term
The x-term inside the radical has a negative coefficient.

Solve these problems: 1.what is the perimeter of an equilateral triangle with sides measuring 6cm? 2. a regular pentagon has sides measuring 3.2 cm. what is its perimeter? 3. a regular decagon has sides of 3.5mm . what is it’s perimeter? 4. a regular octagon has a perimeter of 64cm. what is the length of one of the sides? 5. a regular hexagon has a perimeter of 72mm . what is the length of one of the sides? 6. what is the perimeter of a rhombus with sides measuring 11m?