Ms. hanson invests $500 in the stock market. after ten years, if her investment is worth 300% of its original cost, how much will it then be worth?

X-intercept=-5 y-intercept=2 the equation of the line is

Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.

Is this a polynomial function? i need to know asap