Which of the following is an example of the associative property of multiplication?

7 • (3 + 5) = 21 + 35

7 • (3 • 5) = (7 • 3) • 5

7 • (3 • 5) = 7 • (5 • 3)

7 •    = 1

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.

no because after the troops were pulled many blacks were killed by hangings lynchings and other cruel ways which in a way interrupted the reconstruction of the south and differed from the way abraham lincoln had an idea of reconstruction