What's 2+2 this is just to see if someone will answer

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.

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*