Write the parametric equation of the line: 10x-4y=20

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)

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost