Which values from the set {1.2.3.4.5} make the inequality true?

n+2<6

What is the sum of these mixed numbers 2 1/8 + 4 3/8

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.