Please Help, I am failing my test. Just need this question...

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

Adding and subtracting matricesfind the value of each variable. x = and y = would

Which of the choices shown could be used to prove that aacp=abcp ?