Penny owes her uncle a dollar. she then borrows 4 more dollars from her uncle, but eventually pays him back 3 dollars. how much does penny still owe her uncle?

The total number of photos on hannah’s camera is a linear function of how long she was in rome. she already had 44 photos on her camera when she arrived. then she took 24 photos each day for 6 days. what is the rate of change of the linear function that represents this

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

Give me the equations of two lines that have the same slope but are not parallel.