A population of 65 foxes in a wildlife preserve triples in size every 13 years. The function y=65 x 3x, where x is the number of 13-year periods, models the population growth. How many foxes will there be after 39 ​years?

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?

We just started the introduction into circles and i have no idea how to do this.