Representations of Linear Relationships

If the pattern continues, how many blue tiles will the 4th diagram have?

If the pattern continues, how many red tiles will the 100th diagram have?

If the pattern continues, how many yellow tiles will the 10th diagram have?

If the pattern continues, how many blue tiles will the 
 $n$   th diagram have?

Here is a graph of a line showing the amount of money paid for a new cell phone and monthly plan. What is the y-intercept?

Here is a graph of a line showing the amount of money paid for a new cell phone and monthly plan. What is the slope?

Here is a graph of a line showing the amount of money paid for a new cell phone and monthly plan. What is the equation of the line?

Here is a graph of a line showing the amount of money paid for a new cell phone and monthly plan. What does the slope mean in this situation?

Here is a graph of a line showing the amount of money paid for a new cell phone and monthly plan. What does the y-intercept mean in this situation?

Check all the boxes that apply for all the ways to find slope.