Which expression is equivalent to 3 4 x + 5 − 7 + 1 2 x 34 x + 5 - 7 + 12x? A.
5
4
x
−
2
54x-2

B.
4
6
x
−
2
46x-2

C.
1
4
x
+
12
14x+12

D.
4
6
x
+
12
46x+12

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?