How do you compare volume?

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.

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Write the percent as a fraction or mixed number in simplest form. 0.8%