Answer:
The answer is B
Because the train will stop and speed decreases with increasing time
The answer would be X = 10
the answer is 671,000,000
6.71 x 10^8 converted to standard form is equal to 671,000,000.
Hope it helps:)
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If joe bartolozzi is only 4 11 than that explains the monkey doing the salute
A cube shaped box of side length equal to m foot has volume

foot cubed.
a.
Let v1 be the volume of the box with side length 1 ft.
and v2 be the volume of the box with side length x ft.

(foot cubed)

(foot cubed)
Vtotal=

feet cubed
b.
by the "sum of cubes" identity:

,
this identity can be derived by dividing

by (x+1), by long division.
c. Vtotal when x=3 feet is:
Vtotal=

(feet cubed)