Hooke's law states that the distance a spring is stretched is directly proportional to the force applied. if 20 pounds of force stretches a spring 4 inches, how much will the spring stretch if 80 pounds of force is applied?

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?

Answer for 10 points show work you guys in advanced < 3

Question 5 of 10 2 points if a population is a sample of the population could be a. registered voters; all citizens o o b. baptists; all religious people o c. people who purchased shoes; all customers o d. the entire school faculty; math teachers