HELP PLEASE! Question: Write a linear equation for the graph in point-slope form. Show your work. (2 points)

Please explain this to me in steps, I'm confused on how I'll solve this question.

Please don't answer if you can't help me.

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.

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)