Aiden wants to find the mass of a bowling ball which unit should he use

Kilogram.

Step-by-step explanation:

Mass of an object is the amount of matter in object and that amount is measured in its standard unit.

Standard Unit is the common unit used for items in whole world.

So, Aiden should use the Standard unit of Mass.

The Standard Unit of Weight is KILOGRAM.

He can use other unit also like gram, pound, ounce, tone etc

2 and 1.

step-by-step explanation:

plug in each answer. 0 doesn't work, 1 does. so does 2. 4 doesn't:

0 = 1 is not true.

2 = 2 is true.

4 = 4 is true.

8 = 16 is not true.

hope this !

days of the week

step-by-step explanation:

javier earned more money then kyle, so that won't always be a constant term, but the days of the week do not change so that term is always constant.

edit: i meant