Farmer fred has 200 sheep on his farm. he sells 40 of them. what percentage of his sheep does he have left?

Jordan rides his bike 6 7/15 miles every day to deliver newspapers and to go to and from school. if his ride to and from school is 4 3/10 miles, how many miles is the trip to deliver newspapers? 1 1/3 1 1/6 2 1/6 2 4/5

How many $20 bills do you need to have to make $280

Is the square root of 4 plus the square root of 16 rational?