How do I find A’?

Let U={a, b,c, d,e, f,g} and A={a, b,e, f}

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.

If benito is selecting samples of five values from the table, which row will result in the greatest mean? population data row 1 4 2 2 3 3 row 2 3 3 4 3 2 row 3 2 4 3 4 3 row 4 3 4 4 7 3 row 1 row 2 r

Last week , donnell practiced the piano 3 hours longer than marcus . together, marcus and donnell practiced the piano 11 hours . for how many hours did each young man practiced the piano