What is the domain of the relation given by the ordered pairs: (2, – 1), (– 4,1), (– 2, – 1), (3, – 3), (2,3)? A. {−3, −2,1,3} B. {−4, −2, 2, 3} C. {−3, −1, 1, 3} D. {−4, −1, 1, 3}

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?