Combine like terms in the following expression
6 - 5z + 8 - 4z + 1

15-9z

Step-by-step explanation:

combine like terms,, the like terms we have are the terms (z) and the whole numbers so we combine 6,8, and 1-- and combine -5z and -4z to get the solution.

good luck!

cutie~

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.