Answer accurately and best of all will be receiving brainlist what is an integer

An integer is whole numbers. These include negatives, positives, and zero itself. Integers are not fraction nor decimals.

Ex: 0, -5, 83 are all integers
      1/2, and 0.53 are not integers

a whole number; a number that is not a fraction. and negative integers lo left and positive integers go right on a number line I hope this helps you a little 

The surface area (SA) of a rectangular prism (box) is obtained by the equation,
                     SA = 2 (LW + WH + LH)

where L is length, W is width, and H is height. 
Substituting the values for the dimensions, 

             SA = 2 (15cm x 22cm + 22cm x 9cm + 15cm x 9 cm) = 1326 cm²

Thus, the surface area of the box is 1326 cm².