The difference between two numbers is 30. the ratio of the bigger number to the smaller number is 7: 2. what is the smaller number?

Aline passes through the point (2, -4) and has a slope of 0, what is the equation of the line? plz fast

The sum of two numbers is 12 and their difference is 18 what are the two numbers

The table below represents the displacement of a fish from its reef as a function of time: time (hours) x displacement from reef (feet) y 0 4 1 64 2 124 3 184 4 244 part a: what is the y-intercept of the function, and what does this tell you about the fish? (4 points) part b: calculate the average rate of change of the function represented by the table between x = 1 to x = 3 hours, and tell what the average rate represents. (4 points) part c: what would be the domain of the function if the fish continued to swim at this rate until it traveled 724 feet from the reef? (2 points)