Set of whole number greater than -2

Sal is tiling his entryway. the floor plan is drawn on a unit grid. each unit length represents 1 foot. tile costs $1.35 per square foot. how much will sal pay to tile his entryway? round your answer to the nearest cent.

For which rational expression is -2 an excluded value of x?

What number should be added to both sides of the equation to complete this square? x^2-10x=7