Rearrange the equations and identify the equations parallel lines
a) y=2x-5
b) 3y=2x+4
c) 2y=4x-5
d) 3y=x+4
e) 5-3y+x=0
f)6y-4x-5=0

The mean of 10 values is 19. if further 5 values areincluded the mean becomes 20. what is the meanthese five additional values? a) 10b) 15c) 11d) 22