Faisal has some stickers, he gives away 13 stickers now he has 11 stickers how many does Faisal give away

Mr. vasquez determines that the area of a bathroom is in his house is 25 square feet less than one-fifth of the area of the living room if the bathroom measures 35 square feet what is the area of the living room

Find the area of the regular hexagon if a side is 20 cm.

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!