Which of the following units is best when measuring the mass of an object? meters cubic meters kilograms kilograms per cubic meter

Kilograms (kg)

Mass can be defined as the property of a physical body. It is a measure of resistance of the body to the acceleration when a net force is applied on a body. The mass of the physical body determines the strength of the gravitational force by which it is attracted by other body or earth. The unit by which a mass can be measured is called as kilograms (kg).

blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

hope this !

i think its y= -4x-14