I need help now it's an emergency please help me with this

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?

Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?

Alex's monthly take home pay is $2,500. what is the maximum bad debt payment he can maintain without being in credit overload?