Norcross cluster wants to ask students if they want to adjust the bell schedule and start school at 8:30. they divide the population into students from each school from the cluster. then they ask all of the pickensville middle school students to complete the survey. what type of sampling technique is this?

How long would it take for a ball dropped from the top of a 576-foot building to hit the ground? round your answer to two decimal places.

Tom is making a punch that contains 80% cranberry juice and the rest ginger ale. the punch has 2 liters of ginger ale. part a: write an equation using one variable that can be used to find the total number of liters of cranberry juice and ginger ale in the punch. define the variable used in the equation and solve the equation. hint: 0.8x represents the number of liters of cranberry juice in the punch. (5 points) part b: how many liters of cranberry juice are present in the punch? show your work.

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike