The first four terms of a sequence are shown below: 8, 5, 2, -1
Which of the following functions best defines this sequence?
O f(1) = 8, f(n + 1) = f(n) + 3; forn
O f(1) = 8, f(n + 1) = f(n) - 5; for n 1
O f(1) = 8, f(n + 1) = f(n) + 5; for n 1
Of(1) = 8, f(n + 1) = f(n) -3; for n 1

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?