How can you show the conservation of mass when making a physical mixture? A. Show that the total of the masses of the starting substances equals the mass of the mixture. B. Show that the total of the masses of the starting substances is greater than the mass of the mixture. C. Show that the mass of some of the substances changes during mixing. D. Show that the mass of the mixture depends on how quickly the substances are combined.

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.

The tiles below are pieces of a normal ecg tracing representing a little less than two heartbeats at a resting rate of 80 bpm. arrange the tiles in their correct order. rank from first to last. do not overlap any tiles.

Select a graph that have an equation with a < 0