At the state track meet, the winner in the 100m ran at 13.4 miles per hour. How many meters per second is that? Please show in dimensional analysis form, with units!

the major pests we deal with are insects, weeds and fungal diseases. a pesticide is a product, whether organic or chemical, used to kill the target pest. there are other techniques gardeners should use that can prevent the severe infestations that make the use of pesticides necessary

i think it's c. i'm not sure but i think so.