Two of the side lengths of a triangle are x = 10 and y = 5. which side length could not represent z, the third side of the triangle?

a 5 b 6 c 7 d 8

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?

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73

Math i have no idea how to do a and b