If a = {1, 3, 5} and b = {1, 2, 3, 4, 5, 6} then a ∪ b

If the tip varies directly with the number of guest which equation represents between the tip,t, and the number of guest,g?

What is the benefit of converting measures in a ratio to the same unit

What are the domain and range of the function below? a) domain: (-4,0) range: [-2,infinity) b) domain: (-3,0) range: [-2,infinity) c) domain: (-infinity,infinity) range: [-2, infinity) d) domain: [-2,infinity) range: (-infinity,infinity)