ASAP someone please answer whether these numbers are irrational or rational and explain.

Which expression is equivalent to −16y+13 ? −16(−y+13) 16(−y+2) −16(y+2) 16(−y+13)

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?