Is y = x+2 a linear function?

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.

What could explain what happened when the time was equal to 120 minutes

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.