The smith family of 4 completes 8 loads of laundry each week. they estimate the total cost (energy, water, and detergent) is $7.76 for these 8 loads of laundry. the addition of another child increases the weekly laundry to 11 loads. assuming the same basic laundry costs, what is the total cost of the new weekly laundry? round to the nearest cent.

10 ! in a race, nick is 50 feet in front of jay after ten seconds. how fast can nick run, if jay can run 20 feet per second?

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)

How can you find the mean absolute deviation (mad) for this set of data?