What are chemical contaminants?

Assume the government imposes a $2.25 tax on suppliers, which results in a shift of the supply curve from s1 to s2. the price the seller receives for the product after paying the tax is

The u.s. stock market has returned an average of about 9% per year since 1900. this return works out to a real return (i.e., adjusted for inflation) of approximately 6% per year. if you invest $100,000 and you earn 6% a year on it, how much real purchasing power will you have in 30 years?

What is the correct percentage of texas teachers charged with ethics violations each year?