Evaluate 6
+
4
a
+
b
3
6+
a
4

+
3
b

6, plus, start fraction, 4, divided by, a, end fraction, plus, start fraction, b, divided by, 3, end fraction when
a
=
4
a=4a, equals, 4 and
b
=
3
b

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.

combine all like terms then its just a 2 step equation

step-by-step explanation:

a'(12.5,11.25)

slope=(y1-y2)/(x1-x2)

answer: the answer for that is 22/3