How can I tell if the graph of an inequality will have a solid line?

Which point below is NOT part of the solution set?

Select the graph for y ≥ -3.

Which of the following equations match the given graph?

Write the linear inequality in standard form for this situation: In order to raise money to attend upcoming competitions, the Math Pentathalon team is selling apple cider and hot chocolate. They hope to make at least $240 by selling hot chocolate for $1 a glass and hot apple cider for $2 a glass.