help me fast please with these few questions?
which one is from least to greatest:
a.) 0.4, 7/10, 0.6
b.) 1/4, 0.5, 0.75
c.) 7/10, 0.4, 0.6

which one is from greatest to least:
a.) 1/3, 1 1/2, 1 3/4
b.) 2/5, 0.3, 0.3
c.) 0.3, 0.3, 2/5

Solve
At franklin elementary school, 2/3 of all the students attended the chorus recital on thursday. On friday, 3/4 of all the students attended the basketball game. Which event had the higher attendance?

write each rational number in the form a/b, where a and b are intergers:
1) -6
2) 0.97
3) 18
4) 3.3
5) - 2 1/8

and the last one...
is a decimal a whole number a intergert or a rational number?