I don't understandthis somebody please help. Explain clearly

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

Daryl factors the polynomial p(x)=x3+x2−26x+24 to rewrite it as p(x)=(x+6)(x−4)(x−1). which equations must be true? there may be more than one correct answer. select all correct answers. p(1)=0 p(−4)=0 p(−1)=0 p(6)=0 p(4)=0 p(−6)=0