What is an equation of the line perpendicular to y=-x -2 and through (-2,4)?

Me figure out the process to determine x you appreciate it : )

Mr switzer needs to buy new 1-foot tiles to cover his bathroom floor. the floor is 12 feet long and 8 feet wide. each square foot of tile will cost $1.79. in dollars what will be the total cost of the tiles he needs to buy.

Will mark name all segments skew to bc