Select all of the TRUE statements about the unit rates.

The ratio 5 : has a unit rate of 35.
The ratio 5 :, , , , has a unit rate of 35.

The ratio to has a unit rate of .
The ratio , , , to , , , has a unit rate of , , , .

The ratio to has a unit rate of .
The ratio , , , , to, has a unit rate of , , , .

The ratio : has a unit rate of .