J'espere que quelqu'un m'aide a resoudre se probleme je ne comprend rien

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

Which expressions are equivalent to k/2 choose 2 answers: a k-2 b 2/k c 1/2k d k/2 e k+k

Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coup?