Answer:
Mass and density
Explanation:
Density of an object is defined as its mass per unit volume. Mathematically, the relation is given by :

m = mass and V = volume
If we know the density of the Eraser and its mass, we can easily find its volume. Hence, the two tools are mass and density.
Answer:
here were two main reasons for the expansion of slavery—the cotton gin's invention in 1796 and the United States' westward expansion. The cotton gin allowed one slave to do the work of many since it removed seeds from cotton quicker than by hand
Explanation:
brainliest pls
Answer:
The Nobel Company
Explanation:
He bulit dynamite that was inteneded to be used in The Nobel Company.
The first United States government was called the Articles of Confederation. Hope this helped :)
~ShadowTheFluffyPanda
Answer:
Luxembourg
Explanation:
Luxembourg has the highest at $113,196