Plz help and I will give brainliest

Answer:
6 True False True False
7 41.979
Step-by-step explanation:
6. 24 and 18. 24 is 2*2*2*3 and 18 is 3*3*2
Common is 6.
so a is correct.
B is wrong because they have to be the same
C is correct.
D is wrong because 48 does not go into 18 easily.
12.329+10.45+19.2
41.979
Hope this helps :D