Please help :) and if you do can you tell me how you got the answer

The perimeter of a rectangle is greater than or equal to 74 meters. if the length is 25 meters, the minimum width of the rectangle is meters.

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?