Calculate the elapsed time between:
a 9:30 a. m. and 7:30 p. m.
​

The elapsed time is 10 hours

That would be 10 hours.

Ifound this on google “that means that the graph of a function with direct variation has these features: it is a straight line: because the slope is the ratio y/x = k. it passes through the origin (0,0): because y = kx = k (0) = 0.” i hope this you for what your looking for