Which function has the same graph as x + y = 11?

What is the smallest integer n such that n\sqrt{2} is greater than 20

Amuffin recipe, which yields 12 muffins, calls for cup of milk for every 1 cups of flour. the same recipe calls for cup of coconut for every cup of chopped apple. to yield a batch of 30 muffins, how much flour will be needed in the mix?

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles