this week Amelia's family watched 40.7 hours of TV. That is 103.5% more hours than they watched last week. How many hours did amelia's family watch then?

you never say the total so we cant find the percentage used for petrol

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the answer is b. 60. each interior angle in 120, so the exterior angle must be 60 in order to add up to 180

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correct choice is b

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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,

multiply each one by 3.14

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