Plotting graph

[Gamewizard]

Hi i need to know how I would plot this graph on a log-linear graph paper? (data is below) and how do i found out the gradient ? (Y=mx + c) :S

 

Time (h)

0

24

48

72

96

120

144

168

192

 

Cell conc (cell/mL)

8.0 X 104

1.0 X 105

1.3 X 105

2.6 X 105

4.5 X 105

9.6 X 105

1.89 X 106

3.10 X 106

3.84 X 106

 

Thanks in advance