What is the Valois c^2 + 7 when c= 5

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

Write the function for the graph. (1.8) (0,4)

Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?