Crawling spider

This task is about reading information from a line graph.
 
A spider is crawling up a window. The graph above shows its progress.  
 
a)
How far up the window does the spider begin? __________ cm
 
b)
If the spider continues on in the same way, complete the graph above to show its progress.
 
c)
Find out the highest point on the window it reaches, and the time when this occurs.
 
  i)
 
ii)
Highest point __________ cm
  
Time __________ minutes
 
d)
Describe in your own words how the spider is moving.
 
 
 
 
 
 
 
 
 
e) How fast is the spider going when it is moving up the window? __________ cm/min