The population of squirrels in natures reserve is decreasing by 2% every year if there were 500 squirrels in 2019 how many would there be in 2025?

What are the possible rational zeros of [tex]f(x) = x^4+2x^3-3x^2-4x+18[/tex]

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.