Does anyone think they can help?

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

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

Find two consexutive odd integers such that the sum of their square is 650