How do I solve 2/3 x=10 ?

What is the measure of one interior angle of a pentagon

Have yall ever just farted and was like, i farted.

M∠abc=138° and m∠def=31° . which statement is true about ∠abc and ∠def ? a: the angles are neither complementary nor supplementary. b: the angles are complementary. c: the angles are supplementary.