Answer:
18a + 12x - 12a + 15x
6a + 27x
the answer is a
Step-by-step explanation:
There is 2 midpoints on a line segment.
1 kilogram (kg) equals to 1000 grams (g). Since you have 6.42 kilograms, divide 6.42 kilograms to 1000 grams. Your final answer is 6420 grams in total.
It would be 9/8, 6/5, 1 1/4, 14/1