What is the domain of the function

Atrail mix recipe includes granola oats and almonds there are 135 calories in a 1/= cup serving of the trail mix .how many calories are in2 cups of trail mix?

The highest point on earth is the peak of mount everest if you climb to the top you would be approximately 29,035 feet above sea level at remembering that amount is 5280 feet percentage of the height of the mountain would you have to climb to reach a point 2 miles above sea level

Can someone me do math because i am having a breakdown rn because i don’t get it