The distance from one corner to the opposite corner of a rectangular patio is 33 feet if the patio is 30 feet long find its width​

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?

Which of the following contains a variable?