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1) Assume that in 2014 the number of vehicle sales in the Ukraine was 232 thousand...

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Advance Math

1) Assume that in 2014 the number of vehicle sales in theUkraine was 232 thousand and in 2019 it was 108 thousand. a)determine the average rate of change (slope) in the number ofvehicle sales from 2014 to 2019. Include the units. b) if x is thenumber of years since 2014 and z(x) is the number of vehicles sold,write the equation of the line through these two points. c)Assuming z(x) is a linear function, use the equation to predict thenumber of vehicles sold in 2022.

2) A cyclist traveled 12 kilometers per hour faster than anin-line skater. In the time it took the cyclist to travel 52.5kilometers, the skater had gone 22.5 kilometers. Determine thespeed of the skater.

3) The wexler family and the Santamaria family each used theirsprinklers last month. The water output rate for the Wexler'sfamily sprinkler was 20 gallons per hour. The water output rate forthe Santamaria's sprinkler was 23 gallons per hour. The familiesused their sprinklers for a combined total of 40 hours, resultingin a total water output of 875 gallons. How many hours was eachfamily's sprinkler used?

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