Evaluate the expression 9(a + 2b) + c for a = −3, b = −2, and c = 1.

Answer

-44

Step-by-step explanation:

9(a+2b)+c

9(-3+2*-2)+1

9(-3-2)+1

9(-5)+1

-45+1

-44

−62

Step-by-step explanation:

9(-3+2(-2)+1 = -62

b

step-by-step explanation:

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.