Arandom sample of 10 subjects have weights with a standard deviation of 11.9407 kg. what is the variance of their weights? be sure to include the appropriate units with the result. the variance of the sample data is nothing ▼ kg cubed . kg squared . kg. (round to four decimal places as needed.)

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?

Traffic on saturday, it took ms. torres 24 minutes to drive 20 miles from her home to her office. during friday's rush hour, it took 75 minutes to drive the same distance. a. what was ms. torres's average speed in miles per hour on saturday? b. what was her average speed in miles per hour on friday?