A triangle has side lengths of (5.5x + 6.2y) cm, (4.3x + 8.3z) cm, and(1.6z -5.1y) cm. Which expression represents the perimeter, in centimeters, of the triangle?

answer: c.  

step-by-step explanation:

mixtures containing substances that get attracted to magnet can be separated using a magnet. we can separate iron from a mixture of sand and iron, as only iron attracts to the magnet.

-1/4 > -1 2/3. -1/4 is greater than -1 2/3 because it is closer to 0 on the number line.