Person 1 can do a certain job in fifteen minutes, and person 2 can do the same job in thirty minutes. when completing the job together, which expression would be used to represent the amount of work done by person 1?

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.

What is the solution to the equation 9^(x+1) =27

The triangles are similar. what is the value of x? show your work.