Kala invested $8000 in a fund for 6 years and was paid simple interest. The total interest that she received on the investment was $2400. As a percentage, what was the annual interest rate of her investment?

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.

Which of the following is the true for f(x) = 5cos

Which statement accurately explains whether a reflection over the y axis and a 270° counterclockwise rotation would map figure acb onto itself?