The price drivers pay for gasoline often varies a great deal across regions throughout the united states. the following data show the price per gallon for regular gasoline for a random sample of gasoline service stations for three major brands of gasoline (shell, bp, and marathon) located in eleven metropolitan areas across the upper midwest region (ohiogasprices. com website, march 18, 2012).
metropolitan area shell bp marathon
akron, oh 3.77 3.83 3.78
cibcinnati, oh 3.72 3.83 3.87
cleveland, oh 3.87 3.85 3.89
colombus, oh 3.76 3.77 3.79
ft. wayne, in 3.83 3.84 3.87
indianapolis, in 3.85 3.84 3.87
lansing, mi 3.93 4.04 3.99
lexington, ky 3.79 3.78 3.79
louisville, ky 3.78 3.84 3.79
muncie, in 3.81 3.84 3.83
toledo, oh 3.69 3.83 3.86
source df ss mf f p
metropolitan area
brand
error
total

on friday there were 15 birds

correct choice is b

step-by-step explanation:

when you calculate the average rate of change of a function, you are finding the slope of the secant line between the two points. for the function the average rate of change from point to point can be calculated as

to find the average rate of change from day 2 to day 10, note that at day 2, 8 houses were sold, so a(2,8) and at day 10, 2 houses were sold, so b(10,2). thus,

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step-by-step explanation:

the total estimated nappy use.=10,500,000

step-by-step explanation:

given that on an average the average baby uses 3528 napkins.

in a particular year 2014, the number of births were 299697 in new south wales.

rounding off the number of births to the nearest hundred thousand we have

no of birtsh = 300000

also rounding off the average usage to nearst thousand we get

average use of a baby = 3500

hence total number of nappy estimated to be used = 3500x300000

= 10,500,000

answer is 10,500,000 nappies