Angela uses 2/3 cups of strawberries to make 5/6 of a liter of smoothie. what is the unit rate in cups of strawberries per liter of smoothie?
1. 5/9 cups per liter
2. 3/4 cups per liter
3. 4/5 cups per liter
4. 5/4 cups per liter

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.

Which of these lines passes through the point (1,-1) and has a slope of -3?

Ihave like no idea how to do any of this !