The graph shows the number of paintballs, y, a machine launches in x seconds:

Which expression can be used to calculate the rate per second at which the machine launches the balls?

fraction 140 over 5
fraction 5 over 140
fraction 35 over 5
fraction 5 over 35

The graph shows the number of paintballs y a machine launches in x seconds Which expression can be used to calculate the rate per second at which the machine la class=
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