Jacob Riis, Ida Tarbell, and Margaret Sanger are<span>best known for their efforts to
(1) create awareness about social problems.</span>
Russians (hope this helps)
Problems with native Americans and the Mexican people. <span />
The viking was the first spaceship to land on Mars.
Answer:
18
Explanation:
32-x=18 therefore x=14 which makes x+4 equal 18