49
A square has 4 sides and the perimeter is 28, so each side is 7 feet (perimeter is the sum of all the sides). area is length x width so 7 x 7 = 49
False a pronoun takes the place of a noun. they are to be used so we don't have to refer to the same noun over and over again
A because sometimes one source could have more info and one could be wrong or something
