Solve the system of equations. {−x+y=13x−y=5
What is the y-coordinate?

Enter your numeric answer only.

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.

Factor the monomial completely 42a3b3

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply