Find the area of the triangular part of the paper airplane wing that is outlined in red.

What is the absolute value of the complex number -4-sqrt2i

Find the domain of the following expression: 1/(√x)-2

Francis is getting new carpet tiles in his living room and den. his living room and den are connected. he needs to figure out how much carpet he needs and the cost involved. if each tile costs $2.00 per sq ft, how much would it cost to have new tile put in the den? a) $24 b) $36 c) $48 d) $54 plz awnser soon