Can someone answer these for me and give the question number for the answer. you in advance

Atriangle has side lengths of 15 inches and 30 inches. it also has angles that measure 45º and 20º. which of the following identifies the possible third angle of the triangle? a. 15 in., 65º b. 45 in., 65º c. 17 in., 115º d. 14 in., 115º

How do you use the additive inverse to evaluate an expression that uses subtraction in a full sentence

John bought 2 horses at rs 20000 each