Form the intersection for the following sets.
e = {1, 2, 3}
f = {101, 102, 103, 104}
e ∩ f =
{ }
{1, 2, 3}
{101, 102, 102, 103, 104}
{1, 2, 3, 101, 102, 103, 104}

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.

What multiplys to be 1 but adds up to be 4

Given: lkm jkm, clmk prove: alkmajkm jmk. choose the word that completes the sentence correctly. proof: lkm jkm and lmk * umk are given. km km by the property of congruence. equivalence symmetric reflexive transitive