Please please help it's due in an hour and a half If a car traveled 875 miles in 25 hours, what was the car's speed in miles per hour?

If a bear is running at the rate of 22 miles per hour, how many feet per hour is the bear traveling?

There are 60 animals that live on Mrs. Willis's farm. 20 of these animals are dogs, 15 of these animals are ducks, and 25 of these animals are donkeys. What percentage of the animals are ducks? What is this percentage in decimal form?

Do the numbers 11 and 13 have a Greatest Common Factor? If so, then what is it?