Answer: b
Step-by-step explanation:
The answers are
1. B
2. B
3. C
Answer:
A- 15-5 is the same
Step-by-step explanation:
15 + (3-8)
15 + (-5)
15-5
<span>I narrowed it down to C or D because all the other options are not ways of measuring mass of a physical mass such as a button, and I have concluded the answer is C. 1 kilogram</span>