Alright, lets get started.
Apex car rentals offers a $425 monthly rate.
Means for 1 month, the rental is = $ 425
We could find yearly rental rate by multiplying it with 12.
Hence for 12 months or say 1 year, the rental will be =

For 1 year, rental will be = $ 5100
Hence yearly rental rate would be $ 5100. : Answer
Hope it will help :)