Can someone me write two forms for 0.632

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?

When is g(x) = 0 for the function g(x) = 5.23x + 4?