Solve all three and show work for brainliest answer

1.
solve the equation for b.
5a + 6b =2

2.
solve the equation for r.
1 = prt

3. solve the equation for x.
ax+by=c

What does it mean to have a bias (for example your bias of bts)?

Who did julie andrews play in the sound of music?

In one to two paragraphs, explain how changing context and interpretation have influenced viewpoints of dorothea lange’s portrait "migrant mother.” in your analysis, be sure to include the photograph’s meaning amid changing social, economic, and political climates, as well as the photograph’s value to photojournalism. include supporting evidence in the form of details, statistics, facts, or quotations.