I really do not understand this question please help

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 an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.

Of the total number of spectators at a circus show, 1/4 are men. 2/5 of the remaining number of spectators are women. there are 132 women at the circus show. how many children are at the circus show?