The measurement of an object's mass is a

For most everyday objects, scientists use a balance to obtain an object's mass. A balance compares an object with a known mass to the object in question. One example of a balance is the triple beam balance.

i'm only doing this for the points : (

explanation:

i'm only doing this the points

answer: a) y=-8x+5

a) m= -8

b) m= -2

c) m= 7

d) m= 6