Mass is both a property of a physical body and a measure of its resistance to acceleration (a change in its state of motion) when a net force is applied. An object's mass also determines the strength of its gravitational attraction to other bodies. The basic SI unit of mass is the kilogram (kg).
Answer: D Would be correct
Explanation: (3 + 5i) – (2 + i) And also, C for the other one.
It depends if you are or not so either b or a
mass of sample is 363 grams.