900,000,000. move the decimal until you have a number between 1-10 so move it 8 times and you'll have 9×10^8
Average rate of change = (x(4) - x(2))/(4 - 2) = ((4 + 2(4)^2) - (2 + 2(2)^2))/2 = ((4 + 2(16)) - (2 + 2(4)))/2 = ((4 + 32) - (2 + 8))/2 = (36 - 10)/2 = 26/2 = 13.
Therefore, average velocity is 13 m/s
6 is the height because 144 divided 24 equals 6. Hope this helps!
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I would say A hope I helped
