Find the missing side. Round to the nearest tenth

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

Solve 3x-18=2y and 5x-6y=6 by elimination show work

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.