If s = 2x + t/r what is x in terms of r, s, and t? A) x= rs/ 2-t
B) x= rs-t/ 2
C) x= 2rs-t
D) x= rs-2t

Which is a true statement about an exterior angle of a triangle a. it is formed by two segments that are not sides of the triangle, b. it forms a linear pair with one of the interior angles of the triangle, c. it is complementary to one of the interior angles of the triangle. d. it is formed by two segments that are sides of the triangle.

The anwser cause i do not understand just plez

If the perimeter of the square equals the perimeter of the regular pentagon. each side of a pentagon is 16cm long. how long is each side of the square?