Find an equivalent ratio for 22/55 then write the proportion ?

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =