Geometry. what is the sine of ∠a a) 13/12 b) 12/13 c) 5/12 d) 5/13

Triangle xyz has vertices x(1,3), y(0,0)

Anyone know these questions? i need ,.

(c) a vine called the mile-a-minute weed is known for growing at a very fast rate. it can grow up to 0.5 ft per day. how fast in inches per hour can the mile-a-minute weed grow up to? show your work using the correct conversion factors.