Who tried to improve the living conditions of immigrants by establishing hull house?

Explain the difference between a physical change and chemical change

In what way did expansion and global trade during the 15th to 18th centuries affect the economies of european countries?

The function y= -x-3 is graphed only over the domain of {x|8 a: {|-5 b: {y|1 c: {y|1 d: {y|1