Which of the following represents the greatest percent of change? A. A tree grew from 6 feet to 12 feet in 1 year. B. An aquarium that was originally priced at $80 is now $60. C. A person whose salary was $100 per week is now earning $120 per week. D. A baby who weighed 7 pounds at birth now weighs 16 pounds.

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

Graph the linear function using the slooe and y intercept

Which best describes a central bank's primary goals? limiting inflation and reducing unemployment reducing unemployment and maintaining cash flow controlling stagflation and reducing unemployment managing credit and ensuring the money supply's liquidity