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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.

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?